Ceftiofur Impurity 3 CAS 120882-20-4

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.120882-20-4
Molecular FormulaC19H17N5O7S3
Molecular Weight523.56 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Ceftiofur Impurity 3 CAS 120882-20-4 chemical structure

Description

High-purity Ceftiofur Impurity 3 (CAS 120882-20-4) pharmacopoeial impurity standards reference standard. Molecular formula: C19H17N5O7S3. Molecular weight: 523.56 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC19H17N5O7S3
Molecular Weight523.56 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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Nitrogen Atoms5
Sulfur Atoms3

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