aaa (20S)-Cholestane CAS 41083-75-4

Purity 97%+In StockPharmaceutical Standards
CAS No.41083-75-4
Molecular FormulaC27H48
Molecular Weight372.67 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

aaa (20S)-Cholestane CAS 41083-75-4 chemical structure

Description

CATO supplies aaa (20S)-Cholestane (CAS 41083-75-4), a certified reference material (molecular formula C27H48, MW 372.67 g/mol) for analytical method development and quality control.

Based on its molecular formula C27H48, aaa (20S)-Cholestane contains an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 372.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

As a certified reference material (CRM), aaa (20S)-Cholestane 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 FormulaC27H48
Molecular Weight372.67 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968

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