4a-Methyl-5a(H),14a(H),17a(H)cholestane (~8% 4B isomer) CAS 474-41-9

Description

Compared with other compounds in its class, the molecular weight of 386.70 g/mol gives 4a-Methyl-5a(H),14a(H),17a(H)cholestane (~8% 4B isomer) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4a-Methyl-5a(H),14a(H),17a(H)cholestane (~8% 4B isomer) (CAS 474-41-9) is a high-purity analytical reference standard with the molecular formula C28H50 and a molecular weight of 386.70 g/mol.

Owing to an aromatic ring system, 4a-Methyl-5a(H),14a(H),17a(H)cholestane (~8% 4B isomer) is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 386.70 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 4a-Methyl-5a(H),14a(H),17a(H)cholestane (~8% 4B isomer) 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.

Physical & Chemical Properties

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