Cephalexin Related Compounds & Impurities

Cephalexin is the first widely used oral first-generation cephalosporin, effective for Gram-positive skin, soft-tissue and urinary infections.

Simson Pharma Limited along with its subsidiary offices Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) is a trusted manufacturer and supplier of high-quality pharmaceutical reference standards, offering a comprehensive portfolio of Cephalexin reference standards, pharmacopeial and non-pharmacopeial Cephalexin impurities, related compounds, related substances, metabolites, stable isotope-labelled compounds, deuterium labelled compounds and nitrosamine (N-NO) reference standards.

These materials support pharmaceutical research and development, product development, ANDA and DMF submissions, quality control (QC), analytical method development and validation, stability studies, impurity identification, and genotoxic impurity assessment.

Our Cephalexin-related reference standards are thoroughly characterized using advanced analytical techniques and are supplied with comprehensive Certificates of Analysis (COA) and supporting analytical data from our USFDA certified, ISO 17025 and ISO 17034 accredited Lab, to meet global regulatory expectations. EP and USP traceable reference standards can also be provided upon request, subject to availability. Simson is also a provider of EP and USP traceable standards. To ensure consistent quality and reliability, our reference standards are periodically re-tested according to established quality management procedures.

Pharmaceutical Reference Standards / Impurity Standards

Cephalexin Monohydrate
Cefalexin EP Impurity A
Cefalexin EP Impurity B
Cefalexin EP Impurity D
Cefalexin EP Impurity F Trifluoroacetate
Cefalexin EP Impurity C
Cefalexin EP Impurity E
Cephalexin Sulfoxide
Cephalexine RC K
Cephalexine RC D
Cefalexin EP Impurity F
L-Cephalexin
D-Phenylglycinamide
Cephalexin Diketopiperazine Hydrochloride
Cefalexin Diketopiperazine
Cephalexin R-Sulfoxide Hydrochloride
Cephalexin S-Sulfoxide
Chloro Cephalexin
3-Hydroxy-4-methyl-2(5H)-thiophenone
Cephalexin Diketopiperazine Monoacid
Delta-2-Cephalexin triethylamine salt
Cefalexin Impurity 5
Cefalexin Amide Impurity
Cefalexin Impurity 6
Cefalexin Diketopiperazine Delta-3 Isomer
Cephalexin Diketopiperazine Sodium Salt
L-Cephalexin Trifluoroacetate
Cefalexin R-Sulfoxide
Deacetylcephalosporin C
Cephalexin Dimer
Cephalexin Ethyl Homolog

Isotope Labelled Compounds

Cephalexin D5 Monohydrate