Baricitinib Impurity 131 CAS 90971-86-1

Purity ≥95%In StockPharmacopoeial Impurity Standards
CAS No.90971-86-1
Molecular FormulaC6H14O3S
Molecular Weight166.24 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Baricitinib Impurity 131 CAS 90971-86-1 chemical structure

Description

Baricitinib Impurity 131 (CAS 90971-86-1) is a certified pharmaceutical impurity reference standard with the molecular formula C6H14O3S and a molecular weight of 166.24 g/mol.

Based on its molecular formula C6H14O3S, Baricitinib Impurity 131 contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 166.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.

This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.

CATO manufactures Baricitinib Impurity 131 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 FormulaC6H14O3S
Molecular Weight166.24 g/mol
Purity≥95%
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)0.0
CAS Registry Year (est.)1982
Sulfur Atoms1

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