Cortisone
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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)
C21H28O5 360.44 CAS RN®: 53-06-5.—White, crystalline powder. Practically insoluble in water; sparingly soluble in alcohol and in acetone. Melts at about 220°, with decomposition.
Absorption Maximum: The UV absorption spectrum of a 1 in 100,000 solution in alcohol shows a maximum at about 238 nm.
Specific Rotation〈781〉: about +209°, determined in a 1 in 100 solution in alcohol.
