Tiếng Việt
Musk xylene solution
100 μg/mL in acetonitrile, analytical standard
Code: 46383
- Manufacturer: Merck
- Trademark: Supelco
Mussel (dc-saxitoxin)
BCR®, certified reference material
Code: BCR543
- Manufacturer: Merck
- Trademark: Supelco
Mussel tissue (butyltins)
European Pharmacopoeia (EP) Reference Standard
Code: Y0001317
- Manufacturer: Merck
- Trademark: Supelco
Mussel tissue (PCB′s)
BCR®, certified reference material
Code: BCR682
- Manufacturer: Merck
- Trademark: Supelco
Mussel tissue (trace elements and methylmercury), freeze-dried
NIST® SRM® 2976
Code: NIST2976
- Manufacturer: Merck
- Trademark: Supelco
Mussel tissue (trace elements)
BCR®, certified reference material
Code: BCR668
- Manufacturer: Merck
- Trademark: Supelco
Mussel tissue (trace elements)
BCR®, certified reference material
Code: BCR668
- Manufacturer: Merck
- Trademark: Supelco
Mycophenolate mofetil
United States Pharmacopeia (USP) Reference Standard
- Manufacture: Merck
- Trademark:
USP
Mycophenolate Mofetil
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacture: Merck
- Trademark:
Supelco
Mycophenolate mofetil
European Pharmacopoeia (EP) Reference Standard
Code: Y0000489
- Manufacturer: Merck
- Trademark: Supelco
Mycophenolate mofetil for peak identification
European Pharmacopoeia (EP) Reference Standard
Code: Y0000519
- Manufacturer: Merck
- Trademark: Supelco
Mycophenolate Mofetil Related Compound B
Pharmaceutical Secondary Standard; Certified Reference Material, pkg of 100 mg
Code: PHR2776
- Manufacturer: Merck
- Trademark: Supelco
Myristic acid
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1124
- Manufacturer: Merck
- Trademark: Supelco
Myristoyl-L-carnitine-(N,N,N-trimethyl-d9)
analytical standard
Code: 94346
- Manufacturer: Merck
- Trademark: Supelco
Myristyl Alcohol
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1135
- Manufacturer: Merck
- Trademark: Supelco
N-(2-Ethylhexyl)-5-norbornene-2,3-dicarboximide
analytical standard
Code: N12483
- Manufacturer: Merck
- Trademark: Supelco
N-(2,6-Dichlorophenyl)-2-indolinone
analytical standard
Code:18477
- Manufacturer: Merck
- Trademark: Supelco
N-(2,6-Dimethylphenyl)pyridine-2-carboxamide
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Code: PHR9147
- Manufacturer: Merck
- Trademark: Supelco
N-(6-Chloro-3-pyridylmethyl)-N-cyano-N-methylacetamidine
PESTANAL®, analytical standard
Code:33674
- Manufacturer: Merck
- Trademark: Supelco
N-(6-Chloro-3-pyridylmethyl)-N-cyano-N-methylacetamidine
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Code: 51625
- Manufacturer: Merck
- Trademark: Supelco
N-Acetyl-cys1-calcitonin
European Pharmacopoeia (EP) Reference Standard
Code: C0200010
- Manufacturer: Merck
- Trademark: Supelco
N-Acetyl-D,L-Methionine
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR2636
- Manufacturer: Merck
- Trademark: Supelco
N-Acetyl-d3-glufosinate
PESTANAL®, analytical standard
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
N-Acetyl-L-cysteine
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacturer: Merck
- Trademark: Supelco
N-Acetyl-L-tyrosine
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1173
- Manufacturer: Merck
- Trademark: Supelco
N-Acetylbenzocaine
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Code: PHR9181
- Manufacturer: Merck
- Trademark: Supelco
N-Acetylglucosamine
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacture: Merck
- Trademark:
Supelco
N-Acetyltyrosine
European Pharmacopoeia (EP) Reference Standard
Code: A0202000
- Manufacturer: Merck
- Trademark: Supelco
N-Demethylazithromycin
certified reference material, pharmaceutical secondary standard
Code:PHR3759
- Manufacturer: Merck
- Trademark: Supelco
N-Desmethylzopiclone-D4 solution
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Code: PHR9056
- Manufacturer: Merck
- Trademark: Supelco
n-Dodecane
reference substance for gas chromatography
Code: 1.09658
- Manufacturer: Merck
- Trademark: Supelco
N-Formyl-L-leucine (3S,4R,6S)-3-hexyl-2-oxo-6-undecyltetrahydro-2H-pyran-4-yl ester
reference material, pharmaceutical secondary standard
Code: PHR8748
- Manufacturer: Merck
- Trademark: Supelco
N-Formylphenylephrine
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2154
- Manufacturer: Merck
- Trademark: Supelco
n-Heptadecane
reference substance for gas chromatography
Code: 1.09604
- Manufacturer: Merck
- Trademark: Supelco
N-Malonyl-DL-tryptophan
phyproof® Reference Substance
Code: PHL80494
- Manufacturer: Merck
- Trademark: Supelco
![N-Methyl-2-(pyridin-2-yl)-N-[2-(pyridine-2-yl)ethyl]ethanamine trihydrochloride](https://dongnamlab.com/wp-content/uploads/2026/01/BP846-247x247.webp)
N-Methyl-2-(pyridin-2-yl)-N-[2-(pyridine-2-yl)ethyl]ethanamine trihydrochloride
British Pharmacopoeia (BP) Reference Standard
Code:BP846
- Manufacturer: Merck
- Trademark: Supelco
N-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Code: PHR9100
- Manufacturer: Merck
- Trademark: Supelco
N-Methylpyrrolidone
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacturer: Merck
- Trademark:Supelco
N-Nitrosodibutylamine (NDBA)
certified reference material, pharmaceutical secondary standard
Code:PHR3608
- Manufacturer: Merck
- Trademark: Supelco
N-Nitrosodiethylamine (NDEA)
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR2408
- Manufacturer: Merck
- Trademark: Supelco
N-Nitrosodiethylamine (NDEA) solution
certified reference material, 5000 μg/mL in methanol
- Manufacturer: Merck
- Trademark: Supelco
N-Nitrosodiisopropylamine (NDIPA)
certified reference material, pharmaceutical secondary standard
- Manufacture: Merck
- Trademark:
Supelco
N-Nitrosodimethylamine (NDMA)
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacturer: Merck
- Trademark: Supelco
N-Nitrosodimethylamine (NDMA) solution
certified reference material, 5000 μg/mL in methanol, ampule of 1 mL
- Manufacturer: Merck
- Trademark: Supelco
N-Nitrosodimethylamine (NDMA) solution
certified reference material, 200 μg/mL in methanol
- Manufacturer: Merck
- Trademark: Supelco
N-Nitrosoethylisopropylamine (NEIPA / NIPEA)
certified reference material, pharmaceutical secondary standard
- Manufacture: Merck
- Trademark:
Supelco
N-Nitrosomethylaminobutyric Acid (NMBA)
certified reference material, pharmaceutical secondary standard
Code:PHR3610
- Manufacturer: Merck
- Trademark: Supelco
n-Nitrosomorpholine solution
certified reference material, 5000 μg/mL in methanol, ampule of 1 mL
Code:CRM40485
- Manufacturer: Merck
- Trademark: Supelco
N-p-Chlorobenzoyltyramine
British Pharmacopoeia (BP) Reference Standard
Code: BP756
- Manufacturer: Merck
- Trademark: Supelco
n-Paraffin Mix C10,C12,C14,C16
certified reference material, (varied conc.)
Code:47102
- Manufacturer: Merck
- Trademark: Supelco
n-Paraffin Mix C18,C20,C22,C24
certified reference material, 2 % (w/w) each component in octane
Code:47108
- Manufacturer: Merck
- Trademark: Supelco
n-Paraffin Mix C24,C28,C32,C36
certified reference material, 2 % (w/w) each component in octane
Code:47107
- Manufacturer: Merck
- Trademark: Supelco
n-Tridecane
reference substance for gas chromatography
Code: 1.09609
- Manufacturer: Merck
- Trademark: Supelco
n-Undecane
reference substance for gas chromatography
Code: 1.09794
- Manufacturer: Merck
- Trademark: Supelco
![N,N-Dimethyl-2-[1-(methylsulfonyl)-5-(1H-1,2,4-triazol-1-ylmethyl)-1H-indol-3-yl]ethanamine](https://dongnamlab.com/wp-content/uploads/2026/04/PHR9202-247x247.webp)
N,N-Dimethyl-2-[1-(methylsulfonyl)-5-(1H-1,2,4-triazol-1-ylmethyl)-1H-indol-3-yl]ethanamine
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Code: PHR9202
- Manufacturer: Merck
- Trademark: Supelco
![N,N-Dimethyl-2-[5-(1H-1,2,4-triazol-1-ylmethyl)-1H-indol-3-yl]ethanamine N-oxide](https://dongnamlab.com/wp-content/uploads/2026/02/PHR9151-247x247.webp)
N,N-Dimethyl-2-[5-(1H-1,2,4-triazol-1-ylmethyl)-1H-indol-3-yl]ethanamine N-oxide
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Code: PHR9151
- Manufacturer: Merck
- Trademark: Supelco
N,N-Dimethyl-2-sulfamoylnicotinamide
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR1994
- Manufacturer: Merck
- Trademark: Supelco
N,N-Dimethylacetamide
analytical standard
Code:723361 mL- 72336-1ML-F
5 mL- 72336-5ML-F
- Manufacturer: Merck
- Trademark: Supelco
N,N-Dimethylacetamide
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR2110
- Manufacturer: Merck
- Trademark: Supelco
N,N′-(1,2-Propylene)thiourea-(methyl-d3)
PESTANAL®, analytical standard
Code: 07359
- Manufacturer: Merck
- Trademark: Supelco
N,N′-Bis(2,4-xylyl)formamidine
British Pharmacopoeia (BP) Reference Standard
Code: BP640
- Manufacturer: Merck
- Trademark: Supelco
N′-Methyl Omeprazole
Pharmaceutical Secondary Standard; Certified Reference Material
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
Nabumetone
British Pharmacopoeia (BP) Reference Standard
Code: BP358
- Manufacturer: Merck
- Trademark: Supelco
Nabumetone
European Pharmacopoeia (EP) Reference Standard
Code: N0020000
- Manufacturer: Merck
- Trademark: Supelco
Nabumetone impurity F
European Pharmacopoeia (EP) Reference Standard
Code: N0020030
- Manufacturer: Merck
- Trademark: Supelco
Nadolol impurity mixture
European Pharmacopoeia (EP) Reference Standard
Code: Y0001215
- Manufacturer: Merck
- Trademark: Supelco
Nafcillin Sodium
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR1704
- Manufacturer: Merck
- Trademark: Supelco
Naftidrofuryl impurity A
European Pharmacopoeia (EP) Reference Standard
Code: Y0000120
- Manufacturer: Merck
- Trademark: Supelco
Naftidrofuryl impurity B
European Pharmacopoeia (EP) Reference Standard
Code: Y0000121
- Manufacturer: Merck
- Trademark: Supelco
Naftidrofuryl oxalate
British Pharmacopoeia (BP) Reference Standard
Code: BP362
- Manufacturer: Merck
- Trademark: Supelco
Nalidixic acid
European Pharmacopoeia (EP) Reference Standard
Code: N0050000
- Manufacturer: Merck
- Trademark: Supelco
Nalidixic acid impurity C
EuropePharmacopoeia (EP) Reference Standard
Code: Y0001792
- Manufacturer: Merck
- Trademark: Supelco
Nalorphine hydrochloride solution
1.0 mg/mL in methanol (as free base), ampule of 1 mL, certified reference material, Cerilliant®
Code: N-924
- Manufacturer: Merck
- Trademark: Supelco
Naloxone for peak identification
European Pharmacopoeia (EP) Reference Standard
Code:Y0000695
- Manufacturer: Merck
- Trademark: Supelco
Naloxone hydrochloride
British Pharmacopoeia (BP) Reference Standard
Code:BP548
- Manufacturer: Merck
- Trademark: Supelco
Naloxone hydrochloride dihydrate
European Pharmacopoeia (EP) Reference Standard
Code:N0075000
- Manufacturer: Merck
- Trademark: Supelco
Naloxone hydrochloride dihydrate
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1802
- Manufacturer: Merck
- Trademark: Supelco
Naloxone impurity D
European Pharmacopoeia (EP) Reference Standard
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
Naltrexone hydrochloride
European Pharmacopoeia (EP) Reference Standard
Code: Y0000400
- Manufacturer: Merck
- Trademark: Supelco
Naltrexone Related Compound A
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR8930
- Manufacturer: Merck
- Trademark: Supelco
Nandrolone decanoate
British Pharmacopoeia (BP) Reference Standard
Code:BP425
- Manufacturer: Merck
- Trademark: Supelco
Nandrolone decanoate
European Pharmacopoeia (EP) Reference Standard
Code: Y0000542
- Manufacturer: Merck
- Trademark: Supelco
Nandrolone decanoate
European Pharmacopoeia (EP) Reference Standard
Code: Y0000542
- Manufacturer: Merck
- Trademark: Supelco
Nandrolone decanoate for peak identification
European Pharmacopoeia (EP) Reference Standard
Code: Y0000547
- Manufacturer: Merck
- Trademark: Supelco
Nandrolone phenylpropionate
British Pharmacopoeia (BP) Reference Standard
Code: BP260
- Manufacturer: Merck
- Trademark: Supelco
Nandrolone phenylpropionate
British Pharmacopoeia (BP) Reference Standard
Code: BP260
- Manufacturer: Merck
- Trademark: Supelco
Naphazoline hydrochloride
Pharmaceutical Secondary Standard; Certified Reference Materialr
- Manufacture: Merck
- Trademark:
Supelco
Naphazoline impurity A
European Pharmacopoeia (EP) Reference Standard
Code: N0200000
- Manufacturer: Merck
- Trademark: Supelco
Naphazoline impurity A
European Pharmacopoeia (EP) Reference Standard
Code: N0200000
- Manufacturer: Merck
- Trademark: Supelco
Naphazoline Related Compound A
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2455
- Manufacturer: Merck
- Trademark: Supelco
Naphazoline Related Compound A
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2455
- Manufacturer: Merck
- Trademark: Supelco
Naphthalene
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1275
- Manufacturert: Merck
- Trademark: Supelco
Naphthalene solution
in acetone (varied), PESTANAL®, analytical standard
Code: 48997-U
- Manufacturer: Merck
- Trademark: Supelco
Naphthalene-d8 solution
certified reference material, 2000 μg/mL in dichloromethane
Code:48715-U
- Manufacturer: Merck
- Trademark: Supelco
Naproxen 1,2 Propylene Glycol Esters
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2219
- Manufacturer: Merck
- Trademark: Supelco
Naproxen 1,2,3 Propanetriol Esters
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2254
- Manufacturer: Merck
- Trademark: Supelco
Naproxen 1,2,3 Propanetriol Esters
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2254
- Manufacturer: Merck
- Trademark: Supelco
Naproxen 1,3-Butylene Glycol Esters
10% 1507, for the detection of GMO Maize (1507) with PCR
Code: ERMBF418D
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Impurity A
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2521
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Impurity A
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2521
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Impurity A
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2521
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Impurity B
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2520
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Impurity C
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2519
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Impurity F
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2528
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Impurity M
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2525
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Impurity N
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2524
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Impurity N
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2524
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Isopropyl Ester
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2257
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Related Compound A
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR2527
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Related Compound G
Pharmaceutical Secondary Standard; Certified Reference Material
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Related Compound K
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR2517
- Manufacturer: Merck
- Trademark: Supelco
Naproxen Related Compound L
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR2523
- Manufacturer: Merck
- Trademark: Supelco
Naproxen sodium
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacturer: Merck
- Trademark:Supelco
Naringenin chalcon
phyproof® Reference Substance
Code:PHL83877
- Manufacturer: Merck
- Trademark: Supelco
Naringin dihydrochalcone
phyproof® Reference Substance
Code: PHL83338
- Manufacturer: Merck
- Trademark: Supelco
Nateglinide
European Pharmacopoeia (EP) Reference Standard
Code: Y0001437
- Manufacturer: Merck
- Trademark: Supelco
Native Gymnema Extract
United States Pharmacopeia (USP) Reference Standard
Code: 1302258
- Manufacturer: Merck
- Trademark: USP
Natural milk powder (PCB′s )
BCR®, certified reference material
Code: BCR450
- Manufacturer: Merck
- Trademark: Supelco
Natural milk powder (pesticides)
BCR®, certified reference material
Code: BCR187
- Manufacturer: Merck
- Trademark: Supelco
NBS 127 (sulfur and oxygen isotopes in barium sulfate)
NIST® RM 8557
Code: NISTRM8557
- Manufacturer: Merck
- Trademark: Supelco
NCTC 11288 Lenticule discs
30-120 CFU, suitable for microbiology, certified reference material
Code: CRM11288L
- Manufacturer: Merck
- Trademark: Supelco
Near infrared wavelength/wavenumber reflection standard
NIST® SRM® 2036
Code: NIST2036
- Manufacturer: Merck
- Trademark: Supelco
Nebivolol Hydrochloride
pharmaceutical secondary standard, certified reference material
- Manufacture: Merck
- Trademark:
Supelco
Nebivolol Related Compound C
PESTANAL®, analytical standard
Code: 36764
- Manufacturer: Merck
- Trademark: Supelco
Nebivolol Related Compound D
certified reference material, pharmaceutical secondary standard
Code: PHR3730
- Manufacturer: Merck
- Trademark: Supelco
Neodymium ICP standard
traceable to SRM from NIST Nd2O3 in HNO3 2-3% 1000 mg/l Nd Certipur®
Code:1.70335
- Manufacturer: Merck
- Trademark: Supelco
Neohesperidin
pharmaceutical secondary standard, certified reference material
Code: PHR3213
- Manufacturer: Merck
- Trademark: Supelco
Neohesperidin dihydrochalcone impurity B
European Pharmacopoeia (EP) Reference Standard
Code: N0399004
- Manufacturer: Merck
- Trademark: Supelco
Neomycin Sulfate
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacturer: Merck
- Trademark: Supelco
Neomycin sulfate, for microbiological assay
European Pharmacopoeia (EP) Reference Standard
Code:N0401000
- Manufacturer: Merck
- Trademark: Supelco
Neomycin trisulfate salt hydrate
VETRANAL®, analytical standard
- Manufacturer: Merck
- Trademark:Supelco
Neosaxitoxin-N solution
10 μg/g in hydrochloric acid (nominal concentration), certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
Neostigmine methyl sulfate
European Pharmacopoeia (EP) Reference Standard
Code: N0550000
- Manufacturer: Merck
- Trademark: Supelco
Nequinate-(benzyl-d7)
VETRANAL®, analytical standard
Code: 32310
- Manufacturer: Merck
- Trademark: Supelco
Nerol solution
certified reference material, 2000 μg/mL in methanol, ampule of 1 mL
Code: CRM40744
- Manufacturer: Merck
- Trademark: Supelco
Neuritin human
recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
Code: SRP3122
- Manufacturer: Merck
- Trademark: Sigma-Aldrich
Neuroserpin human
recombinant, expressed in E. coli, ≥96% (SDS-PAGE), ≥96% (HPLC), suitable for cell culture
Code: SRP3123
- Manufacturer: Merck
- Trademark: Sigma-Aldrich
Neurturin human
recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
Code: SRP3124
- Manufacturer: Merck
- Trademark: Sigma-Aldrich
Nevirapine
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR1757
- Manufacturer: Merck
- Trademark: Supelco
Nevirapine for peak identification
European Pharmacopoeia (EP) Reference Standard
Code: Y0000521
- Manufacturer: Merck
- Trademark: Supelco
Nevirapine Related Compound A
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR1760
- Manufacturer: Merck
- Trademark: Supelco
Nevirapine Related Compound B
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR1761
- Manufacturer: Merck
- Trademark: Supelco
Nevirapine Related Compound C
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR1762
- Manufacturer: Merck
- Trademark: Supelco
New York/New Jersey waterway sediment
NIST® SRM® 1944
Code: NIST1944
- Manufacturer: Merck
- Trademark: Supelco
New York/New Jersey waterway sediment
NIST® SRM® 1944
Code: NIST1944
- Manufacturer: Merck
- Trademark: Supelco
Newcastle Disease Vaccine (inactivated), BRP
European Pharmacopoeia (EP) Reference Standard
Code: Y0000388
- Manufacturer: Merck
- Trademark: Supelco
NHI-D FAME mix
analytical standard, ampule of 100 mg (Neat)
Code: O8381-1AMP
- Manufacturer: Merck
- Trademark: Supelco
Ni-Cr-Fe-Nb-Mo Alloy UNS N07718
NIST® SRM® 1249 (disk form)
Code: NIST1249
- Manufacturer: Merck
- Trademark: Supelco
Ni/Cr thin film depth profile standard
NIST SRM 2135c
Code: NIST2135C
- Manufacturer: Merck
- Trademark: Supelco
Niacin (Nicotinic Acid)
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacturer: Merck
- Trademark: Supelco
Niacinamide
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacturer: Merck
- Trademark: Supelco
Nicardipine hydrochloride
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR2531
- Manufacturer: Merck
- Trademark: Supelco
Nicardipine Related Compound B
United States Pharmacopeia (USP) Reference Standard
Code: USP
- Manufacturer: Merck
- Trademark: USP
Nicergoline
analytical standard, for drug analysis
Code:N7889
- Manufacturer: Merck
- Trademark: Supelco
Nicergoline
European Pharmacopoeia (EP) Reference Standard
Code: Y0001373
- Manufacturer: Merck
- Trademark: Supelco
Nicergoline for peak identification
ERM®, certified reference material, blank, for the detection of GMO sugar beet (H7-1) with PCR
Code: ERMBF419A
- Manufacturer: Merck
- Trademark: Supelco
Nicergoline for system suitability
European Pharmacopoeia (EP) Reference Standard
Code: Y0001352
- Manufacturer: Merck
- Trademark: Supelco
Nicergoline impurity D
European Pharmacopoeia (EP) Reference Standard
Code: Y0001356
- Manufacturer: Merck
- Trademark: Supelco
Nickel ICP standard
traceable to SRM from NIST Ni(NO3)2 in HNO3 2-3% 1000 mg/l Ni Certipur®
- Manufacturer: Merck
- Trademark:Supelco
Nickel standard
1000 mg Ni, (NiCl2 in H2O) Titrisol®
Code:1.09989
- Manufacturer: Merck
- Trademark: Supelco
Nickel Standard for AAS
TraceCERT®, 1 g/L Ni in nitric acid (nominal concentration)
- Manufacturer: Merck
- Trademark:Supelco
Nickel Standard for ICP
TraceCERT®, 1 g/L Ni in nitric acid (nominal concentration), Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
- Manufacturer: Merck
- Trademark: Supelco
Nickel Standard for ICP
TraceCERT®, 10 g/L Ni in nitric acid (nominal concentration)
Code:19013
- Manufacturer: Merck
- Trademark: Supelco
Nickel Standard for ICP-MS
TraceCERT®, 1 mg/L Ni in nitric acid (nominal concentration)
Code:72631
- Manufacturer: Merck
- Trademark: Supelco
Nickel standard solution
traceable to SRM from NIST Ni(NO3)2 in HNO3 0.5 mol/l 1000 mg/l Ni Certipur®100 mL -1197920100
500 mL -1197920500
- Manufacturer: Merck
- Trademark: Supelco
Nickel-chromium-cobalt alloy
NIST® SRM® 1243, UNS N07001 (disk form)
Code: NIST1243
- Manufacturer: Merck
- Trademark: Supelco
Niclosamide (anhydrous)
European Pharmacopoeia (EP) Reference Standard
Code:N0560000
- Manufacturer: Merck
- Trademark: Supelco
Niclosamide monohydrate
PESTANAL®, analytical standard
Code: 33941
- Manufacturer: Merck
- Trademark: Supelco
Niclosamide-(2-chloro-4-nitrophenyl-13C6) hydrate
VETRANAL®, analytical standard
Code: 35365
- Manufacturer: Merck
- Trademark: Supelco
Nicorandil
European Pharmacopoeia (EP) Reference Standard
Code: Y0001761
- Manufacturer: Merck
- Trademark: Supelco
Nicosulfuron-(N,N-dimethyl-d6)
certified reference material, pharmaceutical secondary standard
Code: PHR3373
- Manufacturer: Merck
- Trademark: Supelco
Nicotinamide
European Pharmacopoeia (EP) Reference Standard
Code:N0600000
- Manufacturer: Merck
- Trademark: Supelco
Nicotinamide
British Pharmacopoeia (BP) Reference Standard
Code:BP460
- Manufacturer: Merck
- Trademark: Supelco
Nicotinamide Impurity B
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2087
- Manufacturer: Merck
- Trademark: Supelco
Nicotinamide Impurity C
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2088
- Manufacturer: Merck
- Trademark: Supelco
Nicotinamide Impurity D
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR2089
- Manufacturer: Merck
- Trademark: Supelco
Nicotinamide Impurity E
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2090
- Manufacturer: Merck
- Trademark: Supelco
Nicotine bitartrate dihydrate
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR2532
- Manufacturer: Merck
- Trademark: Supelco
Nicotine for system suitability
European Pharmacopoeia (EP) Reference Standard
Code:Y0001023
- Manufacturer: Merck
- Trademark: Supelco
Nicotine metabolites in human urine (frozen)
NIST® SRM® 3671
Code: NIST3671
- Manufacturer: Merck
- Trademark: Supelco
Nicotine Related Compound A/EP Impurity A
pharmaceutical secondary standard, certified reference material
Code:PHR3060
- Manufacturer: Merck
- Trademark: Supelco
Nicotine Related Compound D
certified reference material, pharmaceutical secondary standard
Code:PHR3062
- Manufacturer: Merck
- Trademark: Supelco
Nicotinic acid
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Code:79838
- Manufacturer: Merck
- Trademark: Supelco
Nicotinic acid
European Pharmacopoeia (EP) Reference Standard
Code: N0700000
- Manufacturer: Merck
- Trademark: Supelco
Nicotinic acid impurity mixture
European Pharmacopoeia (EP) Reference Standard
Code: Y0001268
- Manufacturer: Merck
- Trademark: Supelco
Nifedipine
United States Pharmacopeia (USP) Reference Standard
Code:1463508
- Manufacturer: Merck
- Trademark: USP
Nifedipine
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1290
- Manufacturer: Merck
- Trademark: Supelco
Nifedipine
European Pharmacopoeia (EP) Reference Standard
Code: N0750000
- Manufacturer: Merck
- Trademark: Supelco
Nifedipine
British Pharmacopoeia (BP) Reference Standard
Code: BP462
- Manufacturer: Merck
- Trademark: Supelco
Nifedipine impurity B
European Pharmacopoeia (EP) Reference Standard
Code: N0750015
- Manufacturer: Merck
- Trademark: Supelco
Nifedipine impurity B
European Pharmacopoeia (EP) Reference Standard
Code: N0750015
- Manufacturer: Merck
- Trademark: Supelco
Nifedipine Nitrophenylpyridine Analog
certified reference material, pharmaceutical secondary standard
Code: PHR3778
- Manufacturer: Merck
- Trademark: Supelco
Niflumic acid
European Pharmacopoeia (EP) Reference Standard
Code: Y0000824
- Manufacturer: Merck
- Trademark: Supelco
Niflumic acid impurity A
European Pharmacopoeia (EP) Reference Standard
Code: Y0000825
- Manufacturer: Merck
- Trademark: Supelco
Niflumic acid impurity B
European Pharmacopoeia (EP) Reference Standard
Code: Y0000826
- Manufacturer: Merck
- Trademark: Supelco
Niflumic acid impurity E
phyproof® Reference Substance
Code: PHL80906
- Manufacturer: Merck
- Trademark: Supelco
Nikethamide
European Pharmacopoeia (EP) Reference Standard
Code: N0800000
- Manufacturer: Merck
- Trademark: Supelco
Nilotinib Related Compound A
European Pharmacopoeia (EP) Reference Standard
Code: C1435000
- Manufacturer: Merck
- Trademark: Supelco
Nimesulide
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1336
- Manufacturer: Merck
- Trademark: Supelco
Nimodipine
Pharmaceutical Secondary Standard; Certified Reference Material
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
Nimodipine for peak identification
European Pharmacopoeia (EP) Reference Standard
Code: Y0001784
- Manufacturer: Merck
- Trademark: Supelco
Nimodipine impurity A
European Pharmacopoeia (EP) Reference Standard
Code: N0850010
- Manufacturer: Merck
- Trademark: Supelco
Niobium Standard for AAS
TraceCERT®, 1000 mg/L Nb in nitric acid
Code: 42887
- Manufacturer: Merck
- Trademark: Supelco
Niobium Standard for ICP
TraceCERT®, 1 g/L Nb in nitric acid (nominal concentration)
Code:67913
- Manufacturer: Merck
- Trademark: Supelco
Nitazoxanide
pharmaceutical secondary standard, certified reference material
Code:PHR2888
- Manufacturer: Merck
- Trademark: Supelco
Nitazoxanide Related Compound A
pharmaceutical secondary standard, certified reference material
Code: PHR2889
- Manufacturer: Merck
- Trademark: Supelco
Nitrate anion standard solution
NIST® SRM® 3185
Code: NIST3185
- Manufacturer: Merck
- Trademark: Supelco
Nitrate Nitrogen Standard for IC
certified reference material, 1000 mg/L N as nitrate in water (nominal concentration), TraceCERT®
- Manufacturer: Merck
- Trademark:Supelco
Nitrate Standard for IC
TraceCERT®, 1000 mg/L nitrate in water (nominal concentration)
- Manufacturer: Merck
- Trademark: Supelco
Nitrate standard solution
traceable to SRM from NIST NaNO3 in H2O 1000 mg/l NO3 Certipur®
- Manufacturer: Merck
- Trademark: Supelco
Nitrate standard solution
certified reference material, 1000 mg/L (NO3), traceable to SRM from NIST NaNO3 in H2O, Certipur®
- Manufacturer: Merck
- Trademark: Supelco
Nitrate Standard Solution
traceable to SRM from NIST 200 mg/L NO3-N in H2O
- Manufacture: Merck
- Trademark:
Supelco
Nitrate Standard Solution
traceable to SRM from NIST 15.0 mg/L NO3-N in H2O
- Manufacture: Merck
- Trademark:
Supelco
Nitrate Standard Solution
traceable to SRM from NIST 2.50 mg/L NO3-N in H2O
Code:1.25037
- Manufacturer: Merck
- Trademark: Supelco
Nitrate Standard Solution
traceable to SRM from NIST 0.50 mg/L NO4-N in H2O
Code:1.25036
- Manufacturer: Merck
- Trademark: Supelco
Nitrate Standard Solution
traceable to SRM from NIST 40.0 mg/L NO3-N in H2O
Code:1.25039
- Manufacturert: Merck
- Trademark: Supelco
Nitrazepam
European Pharmacopoeia (EP) Reference Standard
Code: S1975000
- Manufacturer: Merck
- Trademark: Supelco
Nitrazepam solution
1.0 mg/mL in acetonitrile, ampule of 1 mL, certified reference material, Cerilliant®
Code:N-906
- Manufacturer: Merck
- Trademark: Supelco
Nitrendipine
European Pharmacopoeia (EP) Reference Standard
Code: N0905000
- Manufacturer: Merck
- Trademark: Supelco
Nitrendipine for peak identification
European Pharmacopoeia (EP) Reference Standard
Code: Y0001456
- Manufacturer: Merck
- Trademark: Supelco
Nitrendipine impurity A
European Pharmacopoeia (EP) Reference Standard
Code: N0905005
- Manufacturer: Merck
- Trademark: Supelco
Nitric acid/Dipicolinic acid concentrate
HNO3 17 mM and Dipicolinic acid 17 mM in water, IC eluent concentrate (10x) for Metrosep C 6
- Manufacturer: Merck
- Trademark: Supelco
Nitric oxide in nitrogen
NIST® SRM® 2630, nominal 1500 umol/mol
Code: NIST2630
- Manufacturer: Merck
- Trademark: Supelco
Nitrilotriacetic acid
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacturer: Merck
- Trademark:Supelco
Nitrite Nitrogen Standard for IC
certified reference material, 1000 mg/L N as nitrite in water (pH ~11 nominal concentration), TraceCERT®
Code:36427
- Manufacturert: Merck
- Trademark: Supelco
Nitrite Standard for IC
TraceCERT®, 1000 mg/L nitrite in water (pH ~11 nominal concentration)
- Manufacturer: Merck
- Trademark: Supelco
Nitrite standard solution
traceable to SRM from NIST NaNO2 in H2O 1000 mg/l NO2 Certipur®
- Manufacturer: Merck
- Trademark: Supelco
Nitrite standard solution
certified reference material, 1000 mg/L (NO2), traceable to SRM from NIST NaNO2 in H2O, Certipur®
- Manufacturer: Merck
- Trademark: Supelco
Nitrite Standard Solution
traceable to SRM from NIST 40.0 mg/L NO2-N in H2O
- Manufacturer: Merck
- Trademark:Supelco
Nitrite Standard Solution
traceable to SRM from NIST 0.200 mg/L NO2-N in H2O
- Manufacturer: Merck
- Trademark:Supelco
Nitroaromatics/Nitrosamine – Loamy Sand 1
certified reference material, pkg of 10 g
Code: CRM137
- Manufacturer: Merck
- Trademark: Supelco
Nitrobenzene
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR3498
- Manufacturer: Merck
- Trademark: Supelco
Nitrobenzene-d solution
certified reference material, 2000 μg/mL in dichloromethane
Code: 48717-U
- Manufacturer: Merck
- Trademark: Supelco
Nitrofural
European Pharmacopoeia (EP) Reference Standard
Code: N0950000
- Manufacturer: Merck
- Trademark: Supelco
Nitrofural for peak identification
European Pharmacopoeia (EP) Reference Standard
Code: Y0001377
- Manufacturer: Merck
- Trademark: Supelco
Nitrofurantoin
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacture: Merck
- Trademark:
Supelco
Nitrofurantoin-13C3
VETRANAL®, analytical standard
Code: 32513
- Manufacturer: Merck
- Trademark: Supelco
Nitrofurazone
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1196
- Manufacturer: Merck
- Trademark: Supelco
Nitrofurazone Related Compound A
pharmaceutical secondary standard, certified reference material
Code: PHR3067
- Manufacturer: Merck
- Trademark: Supelco
Nitrofurazone solution
100 μg/mL in acetonitrile, VETRANAL®, analytical standard
Code: 31706
- Manufacturer: Merck
- Trademark: Supelco
Nitrofurfural diacetate
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2456
- Manufacturer: Merck
- Trademark: Supelco
Nitrogen (total) Standard Solution
traceable to NIST, 100 mg/L N in H2O
- Manufacturer: Merck
- Trademark:Supelco
Nitrogen (total) Standard Solution
raceable to NIST, 2.50 mg/L N in H2O
Code:1.25043
- Manufacturer: Merck
- Trademark: Supelco
Nitrogen (total) Standard Solution
traceable to NIST, 12.0 mg/L N in H2O
Code:1.25044
- Manufacturert: Merck
- Trademark: Supelco
Nitrosotriaminopyrimidine
European Pharmacopoeia (EP) Reference Standard
Code: N1000000
- Manufacturer: Merck
- Trademark: Supelco
Nitrothal-isopropyl
PESTANAL®, analytical standard
Code: 36179
- Manufacturer: Merck
- Trademark: Supelco
Nivalenol in acetonitrile
IRMM®, certified reference material
Code: IRMM316
- Manufacturer: Merck
- Trademark: Supelco
Nivalenol solution
100 μg/mL in acetonitrile, analytical standard
Code: 34131
- Manufacturer: Merck
- Trademark: Supelco
Nivalenol solution
100 μg/mL in acetonitrile, analytical standard
Code: 34131
- Manufacturer: Merck
- Trademark: Supelco
Nizatidine
pharmaceutical secondary standard, certified reference material
Code:PHR3215
- Manufacturer: Merck
- Trademark: Supelco
Nizatidine
European Pharmacopoeia (EP) Reference Standard
Code: N1090000
- Manufacturer: Merck
- Trademark: Supelco
Nizatidine for system suitability
European Pharmacopoeia (EP) Reference Standard
Code: Y0001278
- Manufacturer: Merck
- Trademark: Supelco
No. 2 Fuel Oil
refinery grade, certified reference material, 20,000 μg/mL in methanol
Code: 47515-U
- Manufacturer: Merck
- Trademark: Supelco
Nodularin solution
10 μg/mL in methanol, analytical standard
Code:32539
- Manufacturer: Merck
- Trademark: Supelco
Noggin human
recombinant, expressed in E. coli, ≥95% (SDS-PAGE), ≥95% (HPLC)
Code: SRP4675
- Manufacturer: Merck
- Trademark: Sigma-Aldrich
Nomegestrol acetate impurity A
European Pharmacopoeia (EP) Reference Standard
Code: N1080005
- Manufacturer: Merck
- Trademark: Supelco
Non-volatile Acid Standard Mix
0.01 meq/mL each component in deionized water, analytical standard
Code:46985-U
- Manufacturer: Merck
- Trademark: Supelco
Nonadecane
analytical standard
Code:74158
1 g- 74158-1G
5 g- 74158-5G
- Manufacturer: Merck
- Trademark: Supelco
Nonanal 2,4-dinitrophenylhydrazone
analytical standard
Code: 33851
- Manufacturer: Merck
- Trademark: Supelco
Nonionic Surfactants
certified reference material
Code:QC1197
- Manufacturer: Merck
- Trademark: Supelco
Nonpolar Column Test Mix
certified reference material, 500 μg/mL in dichloromethane
Code:47300-U
- Manufacturert: Merck
- Trademark: Supelco
Nonylphenol diethoxylate solution
European Pharmacopoeia (EP) Reference Standard
Code: Y0000166
- Manufacturer: Merck
- Trademark: Supelco
Nonylphenol monoethoxylate solution
50 μg/mL in acetone, technical, analytical standard
Code: 32894
- Manufacturer: Merck
- Trademark: Supelco
Nonylphenol monoethoxylate solution
5 μg/mL in acetone, technical, analytical standard
Code: 32895
- Manufacturer: Merck
- Trademark: Supelco
Nonylphenol solution
1000 μg/mL in acetone, analytical standard
Code:32468
- Manufacturer: Merck
- Trademark: Supelco
Noradrenaline acid tartrate
British Pharmacopoeia (BP) Reference Standard
Code:BP512
- Manufacturer: Merck
- Trademark: Supelco
Noradrenaline impurity F
European Pharmacopoeia (EP) Reference Standard
Code: Y0000686
- Manufacturer: Merck
- Trademark: Supelco
Norchlordiazepoxide solution
1.0 mg/mL (Acetonitrile:DMSO (80:20)(v/v)), ampule of 1 mL, certified reference material, Cerilliant®
Code: N-100
- Manufacturer: Merck
- Trademark: Supelco
Norcyclobenzaprine
European Pharmacopoeia (EP) Reference Standard
Code: N1130000
- Manufacturer: Merck
- Trademark: Supelco
Nordazepam
certified reference material, pharmaceutical secondary standard
Code: PHR8822
- Manufacturer: Merck
- Trademark: Supelco
Nordazepam
certified reference material, pharmaceutical secondary standard
Code: PHR8822
- Manufacturer: Merck
- Trademark: Supelco
Nordiazepam solution
1 mg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant®
- Manufacturer: Merck
- Trademark:Supelco
Nordiazepam solution
1 mg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant®
- Manufacturer: Merck
- Trademark:Supelco
Nordihydrocapsaicin
phyproof® Reference Substance
Code:PHL89254
- Manufacturer: Merck
- Trademark: Supelco
Nordoxepin hydrochloride
analytical standard, ≥98.0% (TLC), powder
Code: N0392
- Manufacturer: Merck
- Trademark: Supelco
Norepinephrine bitartrate
United States Pharmacopeia (USP) Reference Standard
- Manufacture: Merck
- Trademark:
USP
Norepinephrine Bitartrate
certified reference material, pharmaceutical secondary standard
Code:PHR3820
- Manufacturer: Merck
- Trademark: Supelco
Norethindrone (Norethisterone)
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1714
- Manufacturer: Merck
- Trademark: Supelco
Norethisterone acetate
European Pharmacopoeia (EP) Reference Standard
Code: N1225000
- Manufacturer: Merck
- Trademark: Supelco
Norethisterone acetate for system suitability
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2165
- Manufacturer: Merck
- Trademark: Supelco
Norethisterone for system suitability
European Pharmacopoeia (EP) Reference Standard
Code: Y0000522
- Manufacturer: Merck
- Trademark: Supelco
Norfloxacin
analytical standard, ≥98% (TLC)1 g- N9890-1G
5 g -N9890-5G
- Manufacture: Merck
- Trademark:
Supelco
Norfloxacin
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1614
- Manufacturer: Merck
- Trademark: Supelco
Norfloxacin
European Pharmacopoeia (EP) Reference Standard
Code: N1230000
- Manufacturer: Merck
- Trademark: Supelco
Norfloxacin for peak identification
European Pharmacopoeia (EP) Reference Standard
Code: Y0001301
- Manufacturer: Merck
- Trademark: Supelco
Norfloxacin for system suitability
European Pharmacopoeia (EP) Reference Standard
Code: Y0001015
- Manufacturer: Merck
- Trademark: Supelco
Norfloxacin impurity A
European Pharmacopoeia (EP) Reference Standard
Code: N1230010
- Manufacturer: Merck
- Trademark: Supelco
Norfloxacin Related Compound A
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2233
- Manufacturer: Merck
- Trademark: Supelco
Norflurane – reference spectrum
European Pharmacopoeia (EP)
Code: Y0001609
- Manufacturer: Merck
- Trademark: Supelco
Norgestimate
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2119
- Manufacturer: Merck
- Trademark: Supelco
Norgestrel
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2487
- Manufacturer: Merck
- Trademark: Supelco
Norgestrel
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2487
- Manufacturer: Merck
- Trademark: Supelco
Norgestrel
British Pharmacopoeia (BP) Reference Standard
Code: BP714
- Manufacturer: Merck
- Trademark: Supelco
Norgestrel Related Compound L
certified reference material, pharmaceutical secondary standard
Code: PHR3068
- Manufacturer: Merck
- Trademark: Supelco
Normal Guinea Pig Serum, Lyophilized Solid
Code: 566400
- Manufacturer: Merck
- Trademark: Sigma-Aldrich
Norphenylephrine Hydrochloride
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1536
- Manufacturert: Merck
- Trademark: Supelco
Northern softwood
NIST® RM 8495, bleached kraft pulp
Code:NISTRM8495
- Manufacturer: Merck
- Trademark: Supelco
Nortriptyline Hydrochloride
pharmaceutical secondary standard, certified reference material
Code:PHR3216
- Manufacturer: Merck
- Trademark: Supelco
Nortriptyline hydrochloride
European Pharmacopoeia (EP) Reference Standard
Code: N1280000
- Manufacturer: Merck
- Trademark: Supelco
Nortriptyline hydrochloride
European Pharmacopoeia (EP) Reference Standard
Code: Y0001899
- Manufacturer: Merck
- Trademark: Supelco
Noscapine hydrochloride hydrate
analytical standard
Code:N9007
- Manufacturer: Merck
- Trademark: Supelco
NT-3 human
Animal-component free, recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC)
Code: SRP3267
- Manufacturer: Merck
- Trademark: Sigma-Aldrich
NT-4 human
recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
Code: SRP3129
- Manufacturer: Merck
- Trademark: Sigma-Aldrich
Nucleosides Test Mix
in 1% sodium formate (varied conc.), analytical standard
Code:47310-U
- Manufacturer: Merck
- Trademark: Supelco
Nutrients C/V Sample 1
certified reference material
Code: QC1166
- Manufacturer: Merck
- Trademark: Supelco
Nutrients C/V Sample 2
certified reference material
Code: QC1001
- Manufacturer: Merck
- Trademark: Supelco
O-Succinyl-L-carnitine lithium salt
analytical standard
Code: 04609
- Manufacturer: Merck
- Trademark: Supelco
o-Toluenesulfonamide
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1473
- Manufacturer: Merck
- Trademark: Supelco
OACP4 C
NOTE: Both the cell line and DNA from the cell line may be available for this product. Please choose -1VL or VIAL for cells, or -DNA-5UG for DNA, human gastric cardia, pleiomorphic: epithelial and fibroblastoid cells, cytoplasmic protrusions
Code: 11012005
- Manufacturer: Merck
- Trademark: Sigma-Aldrich
Oakmoss Extract solution
1 mg/mL in ethanol, analytical standard
Code:75264
- Manufacturer: Merck
- Trademark: Supelco
Ochratoxin A solution
10 μg/mL in acetonitrile, analytical standard
- Manufacturer: Merck
- Trademark: Supelco
Octadecane
analytical standard
Code:74691
1 g- 74691-1G
5 g- 74691-5G
- Manufacturer: Merck
- Trademark: Supelco
Octanal 2,4-dinitrophenylhydrazone
analytical standard
Code: 33849
- Manufacturer: Merck
- Trademark: Supelco
Octanoic acid
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Code: 07754
- Manufacturer: Merck
- Trademark: Supelco
Octanoyl-L-carnitine-(N-methyl-d3)
analytical standard
Code: 53230
- Manufacturer: Merck
- Trademark: Supelco
Octinoxate
Pharmaceutical Secondary Standard; Certified Reference Material1 g -PHR1080-1G
10 g- PHR1080-10G
- Manufacturer: Merck
- Trademark:Supelco
Octisalate
Pharmaceutical Secondary Standard; Certified Reference Material1 g -PHR1081-1G
10 g- PHR1081-10G
- Manufacturer: Merck
- Trademark:Supelco
Octocrylene
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacturer: Merck
- Trademark: Supelco
Octyl gallate
European Pharmacopoeia (EP) Reference Standard
Code: Y0000368
- Manufacturer: Merck
- Trademark: Supelco
Octyl Gallate
certified reference material, pharmaceutical secondary standard
Code: PHR3511
- Manufacturer: Merck
- Trademark: Supelco
Octyldodecanol
European Pharmacopoeia (EP) Reference Standard
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
Ofloxacin Impurity A
certified reference material, pharmaceutical secondary standard
Code: PHR2234
- Manufacturer: Merck
- Trademark: Supelco
Ofloxacin impurity E
European Pharmacopoeia (EP) Reference Standard
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
Ofloxacin Related Compound A
Pharmaceutical Secondary Standard; Certified Reference Material
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
Oil and Grease – Whole Volume
certified reference material
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
Oil and Grease 100 mg/L Calibration Standard
certified reference material, in H2O
Code:OG100
- Manufacturer: Merck
- Trademark: Supelco
Oil and Grease 1000 mg/L Calibration Standard
certified reference material, in H2O
- Manufacturer: Merck
- Trademark:Supelco
Oil and Grease in Soil
certified reference material
Code: SQC037
- Manufacturer: Merck
- Trademark: Supelco
Olanzapine
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacture: Merck
- Trademark:
Supelco
Olanzapine for system suitability
European Pharmacopoeia (EP) Reference Standard
Code: Y0001380
- Manufacturer: Merck
- Trademark: Supelco
Olanzapine impurity A
European Pharmacopoeia (EP) Reference Standard
Code: Y0001392
- Manufacturer: Merck
- Trademark: Supelco
Olanzapine Related Compound A
Pharmaceutical Secondary Standard; Certified Reference Material
Code: PHR2536
- Manufacturer: Merck
- Trademark: Supelco
Olanzapine Related Compound B
Pharmaceutical Secondary Standard; Certified Reference Material
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
Olaquindox-(ethylene-d4)
VETRANAL®, analytical standard
Code: 32112
- Manufacturer: Merck
- Trademark: Supelco
Oleic acid
analytical standard5 mL -75090-5ML
25 mL- 75090-25ML
- Manufacturer: Merck
- Trademark:Supelco
Oleic Acid
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1586
- Manufacturert: Merck
- Trademark: Supelco
Oleic acid
European Pharmacopoeia (EP) Reference Standard
Code: Y0001479
- Manufacturer: Merck
- Trademark: Supelco
Oleic acid
European Pharmacopoeia (EP) Reference Standard
Code: Y0001479
- Manufacturer: Merck
- Trademark: Supelco
Oleoside 11-methyl ester
phyproof® Reference Substance
Code: PHL89652
- Manufacturer: Merck
- Trademark: Supelco
Oleuropein
European Pharmacopoeia (EP) Reference Standard
Code:Y0000805
- Manufacturer: Merck
- Trademark: Supelco
Oleyl Alcohol
certified reference material, pharmaceutical secondary standard
Code:PHR2637
- Manufacturer: Merck
- Trademark: Supelco
Oligonucleotide HPLC Performance Standard Mix, 12-33 NT
Reference Material
Code:PHR8667
- Manufacturer: Merck
- Trademark: Supelco
Olmesartan Medoxomil
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacturer: Merck
- Trademark:Supelco
Olmesartan medoxomil
European Pharmacopoeia (EP) Reference Standard
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
Olopatadine hydrochloride
United States Pharmacopeia (USP) Reference Standard
- Manufacture: Merck
- Trademark:
USP
Olopatadine Hydrochloride
pharmaceutical secondary standard, certified reference material
Code:PHR3069
- Manufacturer: Merck
- Trademark: Supelco
Olopatadine Related Compound B
United States Pharmacopeia (USP) Reference Standard
Code:1478425
- Manufacturer: Merck
- Trademark: USP
Olopatadine Related Compound C
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR2539
- Manufacturer: Merck
- Trademark: Supelco
Omega-3 and Omega-6 fatty acids in fish oil
NIST® SRM® 3275
Code:NIST3275
- Manufacturer: Merck
- Trademark: Supelco
Omeprazole
Pharmaceutical Secondary Standard; Certified Reference Material
- Manufacturer: Merck
- Trademark: Supelco
Omeprazole
British Pharmacopoeia (BP) Reference Standard
Code:BP765
- Manufacturer: Merck
- Trademark: Supelco
Omeprazole
European Pharmacopoeia (EP) Reference Standard
Code: Supelco
- Manufacturer: Merck
- Trademark: Supelco
Omeprazole for peak identification
European Pharmacopoeia (EP) Reference Standard
Code:Y0001042
- Manufacturer: Merck
- Trademark: Supelco
Omeprazole Impurity B
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1987
- Manufacturer: Merck
- Trademark: Supelco
Omeprazole Impurity C
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1988
- Manufacturer: Merck
- Trademark: Supelco
Omeprazole impurity D
European Pharmacopoeia (EP) Reference Standard
Code:O0151000
- Manufacturer: Merck
- Trademark: Supelco
Omeprazole magnesium
European Pharmacopoeia (EP) Reference Standard
Code: Y0001043
- Manufacturer: Merck
- Trademark: Supelco
Omeprazole Related Compound A
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1648
- Manufacturert: Merck
- Trademark: Supelco
Omeprazole Related Compound B
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1986
- Manufacturer: Merck
- Trademark: Supelco
Omeprazole Related Compound E
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1649
- Manufacturert: Merck
- Trademark: Supelco
Oncostatin M (209 aa) human
recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
Code: SRP3130
- Manufacturer: Merck
- Trademark: Sigma-Aldrich
Oncostatin-M from rat
recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
Code: SRP3250
- Manufacturer: Merck
- Trademark: Sigma-Aldrich
Ondansetron for LC system suitability
European Pharmacopoeia (EP) Reference Standard
Code: Y0000197
- Manufacturer: Merck
- Trademark: Supelco
Ondansetron for TLC system suitability
European Pharmacopoeia (EP) Reference Standard
Code: Y0000196
- Manufacturer: Merck
- Trademark: Supelco
Ondansetron Hydrochloride
Pharmaceutical Secondary Standard; Certified Reference Material
Code:PHR1141
- Manufacturert: Merck
- Trademark: Supelco
Ondansetron impurity D
European Pharmacopoeia (EP) Reference Standard
Code: Y0000195
- Manufacturer: Merck
- Trademark: Supelco
Ondansetron impurity G
European Pharmacopoeia (EP) Reference Standard
Code: Y0001346
- Manufacturer: Merck
- Trademark: Supelco
