Cefmetazole Sodium;头孢美唑钠;56796-39-5 Formula:C15H16N7NaO5S3 Cefmetazole sodium (Sodium cefmetazole) is a semisynthetic cephamycin antibiotic with broad-spectrum antibacterial activity, covering gram-positive, gram-negative, and anaerobic bacteria. Cefmetazole sodium binds to penicillin binding proteins (PBPs), resulting in interfering bacterial cell wall biosynthesis. Cefmetazole sodium is used for the research of gynecologic, intraabdominal, urinary tract, respiratory tract and skin and soft tissue infections