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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Cefradine and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Cefradine impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Cefradine-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Cefradine
CAT No: CL-CFPR-01 CAS No: 38821-53-3 Mol Wt: 349.4 Mol F: C16H19N3O4S Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-[[(2R)-amino(cyclohexa-1,4-dienyl)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Cefradine EP Impurity A
CAT No: CL-CFPR-02 CAS No: 22252-43-3 Mol Wt: 214.2 Mol F: C8H10N2O3S Inv Status: In Stock
Chemical Name: (6R,7R)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Cefradine EP Impurity B
CAT No: CL-CFPR-03 CAS No: 26774-88-9 Mol Wt: 153.2 Mol F: C8H11NO2 Inv Status: Custom Synthesis
Chemical Name: (2R)-amino(cyclohexa-1,4-dienyl)acetic acid
Cefradine EP Impurity E
CAT No: CL-CFPR-04 CAS No: 215172-75-1 Mol Wt: 363.4 Mol F: C16H17N3O5S Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-[[(2R)-amino(2-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Cefradine EP Impurity F
CAT No: CL-CFPR-05 CAS No: 34876-35-2 Mol Wt: 130.2 Mol F: C5H6O2S Inv Status: Custom Synthesis
Chemical Name: 3-Hydroxy-4-methylthiophen-2(5H)-one
Cefradine EP Impurity G
CAT No: CL-CFPR-06 CAS No: 146794-70-9 Mol Wt: 298.4 Mol F: C13H18N2O4S Inv Status: Custom Synthesis
Chemical Name: (6R,7R)-7-[(2,2-dimethylpropanoyl)amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
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