Fudosteine Impurity 20 CAS 1023971-10-9

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.1023971-10-9
Molecular FormulaC6H13NO3S
Molecular Weight179.24 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Fudosteine Impurity 20 CAS 1023971-10-9 chemical structure

Description

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.

Fudosteine Impurity 20 (CAS 1023971-10-9) is a certified pharmaceutical impurity reference standard with the molecular formula C6H13NO3S and a molecular weight of 179.24 g/mol.

Structurally, Fudosteine Impurity 20 (C6H13NO3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 179.24 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

CATO manufactures Fudosteine Impurity 20 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 FormulaC6H13NO3S
Molecular Weight179.24 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1988
Nitrogen Atoms1
Sulfur Atoms1

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