Methyl 4-Aminobenzoate
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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)
C8H9NO2 151.16 CAS RN®: 619-45-4.-Off-white powder.
Assay: Dissolve about 38 mg, accurately weighed, in 50 mL of glacial acetic acid. Titrate with 0.1 N perchloric acid VS, determining the endpoint potentiometrically. Perform a blank determination, and make any necessary correction. Each mL of 0.1 N perchloric acid is equivalent to 15.12 mg of C8H9NO2. Not less than 99.0% is found.
MELTING RANGE (741): between 108° and 110°.
