Category
Cephalexin
CAS Number
65870-52-2
Alternate CAS Number
62673-90-9 (sodium salt)
Molecular Formula
C16H17N3O4S
Molecular Weight
347.4 g/mol
Synonym

2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid; 2-(3,6-Dioxo-5-phenylpiperazin-2-yl)-5-methyl-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid; 2-(3,6-Dioxo-5-phenyl-2-piperazinyl)-5,6-dihydro-5-methyl-2H-1,3-thiazine-4-carboxylic acid; 2H-1,3-Thiazine-4-carboxylic acid, 2-(3,6-dioxo-5-phenyl-2-piperazinyl)-5,6-dihydro-5-methyl

Keywords
Impurities
Metabolites.
Pharmaceutical Standards
Intermediates
Fine Chemicals
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Purity:

Above - 95.0%

Technical Data:

We will provide complete documentation support for every Standard Material. All analytical reports such as ¹H NMR, ¹³C NMR, Mass, FT-IR, HPLC Purity/GC Purity/QNMR Purity, Water content by KF/ Loss on Drying/TGA (Thermo-gravimetric Analysis). Certificate of Analysis with potency report. Each Standard Material SER (Structure Elucidation Report) with NMR, Mass, IR spectral interpretation. This whole analytical document can be included in eCTD, ANDA, DMF submissions to regulatory agencies.

Delta-4-Cephalexin Diketopiperazine is a degradation impurity of cephalexin formed through cyclization of the molecule, monitored in quality control to ensure drug stability and purity.