17α-Methyl-5α-androstan-17β-ol CAS 1229-04-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1229-04-5
Molecular FormulaC20H34O
Molecular Weight290.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

17α-Methyl-5α-androstan-17β-ol CAS 1229-04-5 chemical structure

Description

CATO manufactures 17α-Methyl-5α-androstan-17β-ol 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.

17α-Methyl-5α-androstan-17β-ol (CAS 1229-04-5) is a high-purity analytical reference standard with the molecular formula C20H34O and a molecular weight of 290.48 g/mol.

Structurally, 17α-Methyl-5α-androstan-17β-ol (C20H34O) 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 290.48 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

Physical & Chemical Properties

Molecular FormulaC20H34O
Molecular Weight290.48 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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