Androstenedione-d3 CAS 71995-66-9

Purity 97%+In StockPharmaceutical Standards
CAS No.71995-66-9
Molecular Formula-
Molecular Weight289.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Androstenedione-d3 CAS 71995-66-9 chemical structure

Description

Androstenedione-d3 (CAS 71995-66-9) is a high-purity analytical reference standard with the molecular formula C19H23D3O2 and a molecular weight of 289.43 g/mol.

Owing to deuterium isotope labeling, a steroid core, a hydroxyl group, an ether linkage, Androstenedione-d3 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 289.43 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC19H23D3O2
Molecular Weight289.43 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)8.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977

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