5α-Androstan-3α-ol-17-one-16,16-d CAS 89685-22-3

Purity 97%+In StockPharmaceutical Standards
CAS No.89685-22-3
Molecular Formula-
Molecular Weight292.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5α-Androstan-3α-ol-17-one-16,16-d CAS 89685-22-3 chemical structure

Description

5α-Androstan-3α-ol-17-one-16,16-d (CAS 89685-22-3), molecular formula C19H28D2O2 and molecular weight 292.45 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 5α-Androstan-3α-ol-17-one-16,16-d (C19H28D2O2) is characterized by deuterium isotope labeling, a steroid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 FormulaC19H28D2O2
Molecular Weight292.45 g/mol
AppearanceOff-white to pale 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1982

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