(3S,5S,8R,9S,10S,13S,14S,17S)-17-ethyl-13-methyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol 7253-95-4 CTK2H7547 CAS 7253-95-4

Purity 97%+In StockPharmaceutical Standards
CAS No.7253-95-4
Molecular FormulaC20H34O2
Molecular Weight306.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3S,5S,8R,9S,10S,13S,14S,17S)-17-ethyl-13-methyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol 7253-95-4 CTK2H7547 CAS 7253-95-4 chemical structure

Description

As a certified reference material (CRM), (3S,5S,8R,9S,10S,13S,14S,17S)-17-ethyl-13-methyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol 7253-95-4 CTK2H7547 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

CATO supplies (3S,5S,8R,9S,10S,13S,14S,17S)-17-ethyl-13-methyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol 7253-95-4 CTK2H7547 (CAS 7253-95-4), a certified reference material (molecular formula C20H34O2, MW 306.48 g/mol) for analytical method development and quality control.

Structurally, (3S,5S,8R,9S,10S,13S,14S,17S)-17-ethyl-13-methyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol 7253-95-4 CTK2H7547 (C20H34O2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 306.48 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Physical & Chemical Properties

Molecular FormulaC20H34O2
Molecular Weight306.48 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1959

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