Chlorogenic Acid,
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
C16H18O9 354.31 CAS RN®: 327-97-9.—White to off-white powder. Use a suitable grade.
Assay: When tested by thin-layer chromatography (see Chromatography 〈621〉) with the use of plates coated with chromatographic silica gel mixture and a developing system consisting of a mixture of butyl alcohol, water, and acetic acid (60:25:15), and examined under short- wavelength UV light, a single spot is exhibited, with trace impurities.
