Polymyxin E2 Sulfate, EvoPure® (syn: Colistin B) is one of the two major components of Polymyxin E (Colistin). Polymyxin E1 and E2 are structurally similar and differ only by a fatty acid group at the N-terminus. Polymyxin E1 contains 6-methyloctanoic acid and Polymyxin E2 (Colistin B) contains 6-methylheptanoic acid. Together, Polymyxin E1 and E2 comprise approximately 85% of Polymyxin E; however, 13 different Polymyxin E components have been indentified.
We also offer:
- Polymyxin B Sulfate, USP (P007)
- Polymyxin B1 Sulfate, EvoPure® (P037)
- Polymyxin B1-I Sulfate, EvoPure® (P038)
- Polymyxin B2 Sulfate, EvoPure® (P039)
- Polymyxin B3 Sulfate, EvoPure® (P040)
- Polymyxin B6 Sulfate, EvoPure® (P054)
- Polymyxin E1 Sulfate, EvoPure® (P055)
- Polymyxin E2 Sulfate, EvoPure® (P056)
EvoPure® products are purified single antibiotic fractions, most are >99% pure. Highly pure EvoPure® Polymyxin products can be used to analyze the specific effects of individual Polymyxin B fractions.
