2,2-Diphenylglycine
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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)
C14H13NO2 227.26 CAS RN®: 3060-50-2.—Off-white powder. Melts at about 244°, with decomposition.
Assay: Dissolve about 115 mg, accurately weighed, in 30 mL of methanol. Slowly add about 20 mL of water, heating slightly if necessary for
complete solution. Titrate with 0.1 N sodium hydroxide VS, determining the endpoint potentiometrically. Perform a blank determination and
make any necessary correction. Each mL of 0.1 N sodium hydroxide is equivalent to 22.73 mg of C14H13NO2. Not less than 98.0% is found.
