Phthalic acid

Application
Phthalic acid may be used as an analytical reference standard for the quantification of the analyte in the following:
Angelicae Radix and Ligustici Rhizoma using high performance liquid chromatography with photodiode array detection (HPLC-PDA) followed by liquid chromatography coupled to mass spectrometry (LC-MS) and capillary electrophoresis (CE) analyses.[1] Nigella sativa[2] and Solanum nigrum[3] using gas chromatography-mass spectrometry (GC-MS).

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
General description
Phthalic acid is an organic acid and a major bioactive component, reportedly identified in the extracts of Solanum nigrum,[3] Nigella sativa,[2] Angelicae Radix and Ligustici Rhizoma,[1] utilized as Chinese herbal medicines.
Other Notes
Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.