(20R)-17-Hydroxy-20-(sulfooxy)-pregn-4-en-3-one 138949-80-1 17|A, 20|A-Dihydroxy-4-pregnen-3-one-20-sulfate 4-Pregnen-17|A, 20|A-diol-3-one-20-sulfate CAS 138949-80-1

Purity 97%+In StockPharmaceutical Standards
CAS No.138949-80-1
Molecular FormulaC21H32O6S
Molecular Weight412.54 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(20R)-17-Hydroxy-20-(sulfooxy)-pregn-4-en-3-one 138949-80-1 17|A, 20|A-Dihydroxy-4-pregnen-3-one-20-sulfate 4-Pregnen-17|A, 20|A-diol-3-one-20-sulfate CAS 138949-80-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 412.54 g/mol gives (20R)-17-Hydroxy-20-(sulfooxy)-pregn-4-en-3-one 138949-80-1 17|A, 20|A-Dihydroxy-4-pregnen-3-one-20-sulfate 4-Pregnen-17|A, 20|A-diol-3-one-20-sulfate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(20R)-17-Hydroxy-20-(sulfooxy)-pregn-4-en-3-one 138949-80-1 17|A, 20|A-Dihydroxy-4-pregnen-3-one-20-sulfate 4-Pregnen-17|A, 20|A-diol-3-one-20-sulfate (CAS 138949-80-1), molecular formula C21H32O6S and molecular weight 412.54 g/mol, is a CATO reference standard with documented purity and traceability.

(20R)-17-Hydroxy-20-(sulfooxy)-pregn-4-en-3-one 138949-80-1 17|A, 20|A-Dihydroxy-4-pregnen-3-one-20-sulfate 4-Pregnen-17|A, 20|A-diol-3-one-20-sulfate (C21H32O6S) contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

CATO manufactures (20R)-17-Hydroxy-20-(sulfooxy)-pregn-4-en-3-one 138949-80-1 17|A, 20|A-Dihydroxy-4-pregnen-3-one-20-sulfate 4-Pregnen-17|A, 20|A-diol-3-one-20-sulfate 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

Molecular FormulaC21H32O6S
Molecular Weight412.54 g/mol
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
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.)1996
Sulfur Atoms1

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