(R)-Methyl 4-((3R,5R,8R,9S,10S,13R,14S,17R)-3-acetoxy-10,13-dimethyl-12-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate CAS 5143-55-5

Purity 97%+In StockPharmaceutical Standards
CAS No.5143-55-5
Molecular FormulaC27H42O5
Molecular Weight446.62 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(R)-Methyl 4-((3R,5R,8R,9S,10S,13R,14S,17R)-3-acetoxy-10,13-dimethyl-12-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate CAS 5143-55-5 chemical structure

Description

(R)-Methyl 4-((3R,5R,8R,9S,10S,13R,14S,17R)-3-acetoxy-10,13-dimethyl-12-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate (CAS 5143-55-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H42O5. Molecular weight: 446.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC27H42O5
Molecular Weight446.62 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958

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