Polymyxin B1 I, are antibiotics. Polymyxins B and E (also known as colistin) are used in the treatment of Gram-negative bacterial infections. Reference standards of Polymyxin B1 I API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Polymyxin B1-I
Catalogue No.:PA 16 3350000
CAS :
Molecular Formula : C56H98N16O13
Molecular Weight : 1203.5
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