Cefazolin Impurity 57 CAS 134203-48-8

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.134203-48-8
Molecular FormulaC18H27N3O7S
Molecular Weight429.49 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Cefazolin Impurity 57 CAS 134203-48-8 chemical structure

Description

CATO supplies Cefazolin Impurity 57 (CAS 134203-48-8), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H27N3O7S. Molecular weight: 429.49 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC18H27N3O7S
Molecular Weight429.49 g/mol
Purity>95%
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1995
Nitrogen Atoms3
Sulfur Atoms1

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