Ceftriaxone Sodium EP Impurity B(Cefotaxime EP Impurity E)（Cefodizime Impurity D） CAS 66340-33-8

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.66340-33-8
Molecular FormulaC14H13N5O5S2
Molecular Weight395.41 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Ceftriaxone Sodium EP Impurity B(Cefotaxime EP Impurity E)（Cefodizime Impurity D） CAS 66340-33-8 chemical structure

Description

Ceftriaxone Sodium EP Impurity B(Cefotaxime EP Impurity E)（Cefodizime Impurity D） (CAS 66340-33-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H13N5O5S2. Molecular weight: 395.41 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC14H13N5O5S2
Molecular Weight395.41 g/mol
Purity>90%
StorageStore at 2-8°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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1975
Nitrogen Atoms5
Sulfur Atoms2

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