Category:
Prophylactic Biological Products
Cephalexin for oral suspension is a first-generation cephalosporin antibiotic formulated as a dry powder for reconstitution. The core synthesis involves acylation of 7-aminocephalosporanic acid (7-ACA). Its molecular formula is C16H17N3O4S with CAS No. 26058-90-8.
Contraindicated in patients with severe penicillin or cephalosporin hypersensitivity. Store unopened powder below 25°C; reconstituted suspension requires refrigeration at 2–8°C and must be discarded after 14 days to ensure stability and efficacy.