Digitonin
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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)
C56H92O29 1229.31 CAS RN: 11024-24-1.—White, crystalline powder. Almost insoluble in water; soluble in warm alcohol, and in glacial acetic acid and in 75% acetic acid; insoluble in chloroform and in ether. Melts at about 230°, with decomposition.
Specific Rotation 〈781〉: between −47° and −49°, determined in a solution in 75% acetic acid containing 100 mg per mL.
Solubility in Alcohol: A solution of 500 mg in 20 mL of warm alcohol is colorless and complete.
Loss on Drying 〈731〉: Dry it at 105° to constant weight: it loses not more than 6% of its weight.
Residue on Ignition (Reagent test): not more than 0.3%.
