1-Benzylimidazole,
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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)
C10H10N2 158.20 CAS RN: 4238-71-5.—White crystals.
Assay: Transfer about 40 mg, accurately weighed, to a 100-mL beaker. Dissolve in 50 mL of glacial acetic acid. Titrate with 0.1 N perchloric acid VS, determining the endpoint potentiometrically using a combination calomel-platinum electrode. Perform a blank determination and make any necessary correction. Each mL of 0.1 N perchloric acid is equivalent to 15.82 mg of C H N . Not less than 99% is found.
