Compound Q&A
What is Cefalexin (Cephalexin) EP Impurity A (CAS: 875-74-1)?
Answer
Cefalexin EP Impurity A, also known as Ampicillin EP Impurity L, is a specific chemical impurity associated with cefalexin and ampicillin during pharmaceutical manufacturing. It has the CAS number 875-74-1 and is characterized by its structural similarity to cephalosporin and penicillin derivatives. This impurity is monitored to ensure drug purity and compliance with regulatory standards.
About
CAS No
875-74-1
English Name
Cefalexin (Cephalexin) EP Impurity A (Ampicillin EP Impurity L)
Molecular Formula
C8H9NO2
Molecular Weight
151.165 g/mol
SMILES
N[C@@H](C(=O)O)c1ccccc1
InChIKey
ZGUNAGUHMKGQNY-SSDOTTSWSA-N
Last Updated: 2025-08-25 01:08
