Cefalexin Other names: Cephalexin

Chemical formula: C₁₆H₁₇N₃O₄S  Molecular mass: 347.389 g/mol  PubChem compound: 27447

Active ingredient description

Cefalexin is an antibacterial agent of the cephalosporin class. Like other cephalosporins cefalexin exerts antibacterial activity by binding to and inhibiting the action of penicillin-binding proteins involved in the synthesis of bacterial cell walls. This leads to bacterial cell lysis and cell death.

Medicine classification

This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:

ATC code Group title Classification
J01DB01 Cefalexin J Antiinfectives for systemic use → J01 Antibacterials for systemic use → J01D Other beta-lactam antibacterials → J01DB First-generation cephalosporins
Discover more medicines within J01DB01

Product monographs

Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):

Title Information Source Document Type  
KEFLEX Capsule FDA, National Drug Code (US) MPI, US: SPL/PLR
CEFALEXIN Capsule, hard Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC

Structural formula

Graphic representation of the active ingredient's molecular structure

External identifiers

CAS Substance: 15686-71-2
DrugBank Drug: DB00567
KEGG Drug: D00263
PubChem Compound: 27447
RxNorm Ingredient: 2231
SNOMED-CT Concept: 387304003
Cefalexin (substance)
UNII Identifier: OBN7UDS42Y
CEPHALEXIN

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