Polymyxin B2-impurities | Pharmaffiliates

Polymyxin B2 and its Impurities

Polymyxin B2, are antibiotics. Polymyxins B and E (also known as colistin) are used in the treatment of Gram-negative bacterial infections. Reference standards of Polymyxin B2 API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

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PA 16 3280000

Polymyxin B2 - API Standards

Polymyxin B2


  • Catalogue No.:PA 16 3280000

  • CAS :

    34503-87-2

  • Molecular Formula : C55H96N16O13

  • Molecular Weight : 1189.47