Ceftazidime Impurity 23 CAS 158183-05-2

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.158183-05-2
Molecular FormulaC20H22N4O4S3
Molecular Weight478.61 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Ceftazidime Impurity 23 CAS 158183-05-2 chemical structure

Description

Ceftazidime Impurity 23 (CAS 158183-05-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H22N4O4S3. Molecular weight: 478.61 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H22N4O4S3
Molecular Weight478.61 g/mol
Purity>90%
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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2002
Nitrogen Atoms4
Sulfur Atoms3

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