7, (5a)-CHOLESTEN-3-ONE CAS 15459-85-5

Purity 97%+In StockPharmaceutical Standards
CAS No.15459-85-5
Molecular FormulaC27H44O
Molecular Weight384.64 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7, (5a)-CHOLESTEN-3-ONE CAS 15459-85-5 chemical structure

Description

CATO supplies 7, (5a)-CHOLESTEN-3-ONE (CAS 15459-85-5), a certified reference material (molecular formula C27H44O, MW 384.64 g/mol) for analytical method development and quality control.

Structurally, 7, (5a)-CHOLESTEN-3-ONE (C27H44O) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 384.64 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).

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.

As a certified reference material (CRM), 7, (5a)-CHOLESTEN-3-ONE 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.

Physical & Chemical Properties

Molecular FormulaC27H44O
Molecular Weight384.64 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
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1961

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