Cephalexin Impurity 33 CAS 883835-57-2

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.883835-57-2
Molecular FormulaC9H12O3S
Molecular Weight200.25 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Cephalexin Impurity 33 CAS 883835-57-2 chemical structure

Description

CATO supplies Cephalexin Impurity 33 (CAS 883835-57-2), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H12O3S. Molecular weight: 200.25 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC9H12O3S
Molecular Weight200.25 g/mol
Purity>95%
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Sulfur Atoms1

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