(8R,9S,13S,14S)-13-Methyldodecahydro-17H-5,10-methanocyclopenta[a]phenanthrene-3,17(4H)-dione-18,18-d2 CAS 71995-57-8

Purity 97%+In StockPharmaceutical Standards
CAS No.71995-57-8
Molecular Formula-
Molecular Weight288.42 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(8R,9S,13S,14S)-13-Methyldodecahydro-17H-5,10-methanocyclopenta[a]phenanthrene-3,17(4H)-dione-18,18-d2 CAS 71995-57-8 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (8R,9S,13S,14S)-13-Methyldodecahydro-17H-5,10-methanocyclopenta[a]phenanthrene-3,17(4H)-dione-18,18-d2.

CATO supplies (8R,9S,13S,14S)-13-Methyldodecahydro-17H-5,10-methanocyclopenta[a]phenanthrene-3,17(4H)-dione-18,18-d2 (CAS 71995-57-8), a certified reference material (molecular formula C19H24D2O2, MW 288.42 g/mol) for analytical method development and quality control.

Structurally, (8R,9S,13S,14S)-13-Methyldodecahydro-17H-5,10-methanocyclopenta[a]phenanthrene-3,17(4H)-dione-18,18-d2 (C19H24D2O2) contains deuterium isotope labeling, a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 288.42 g/mol, it falls into the medium-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.

CATO manufactures (8R,9S,13S,14S)-13-Methyldodecahydro-17H-5,10-methanocyclopenta[a]phenanthrene-3,17(4H)-dione-18,18-d2 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC19H24D2O2
Molecular Weight288.42 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977

Recommended Standards

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