the use of Mupirocin

Mupirocin is an antibiotic cream/ointment which you apply to your skin to treat skin infections. It is used in particular to treat infections caused by meticillin-resistant Staphylococcus aureus (MRSA). It works by killing the bacteria causing the infection. 
Mupirocin, an antibiotic, is used to treat impetigo as well as other skin infections caused by bacteria. It is not effective against fungal or viral infections.This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
Mupirocin comes in an ointment that is applied to the skin. Mupirocin usually is applied three times a day for 1 to 2 weeks. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Use mupirocin exactly as directed. Do not use more or less of it or use it more often than prescribed by your doctor.Wash the affected skin area thoroughly, and then gently apply a small amount (a thin film) of the ointment. You may cover the area with a sterile gauze dressing.
CAS : 12650-69-0
Molecular Formula : C26H44O9
Formula Weight : 500.62