Used primarily as an antibiotic to treat bacterial infections, especially those caused by gram-positive bacteria. Effective in treating respiratory tract infections, skin infections, and urinary tract infections. Commonly administered in hospital settings for surgical prophylaxis to prevent postoperative infections. Also used in cases where penicillin resistance is a concern, offering an alternative in early-generation cephalosporin therapy. Stable in solution, making it suitable for intravenous and intramuscular delivery.