Polymyxin B Sulfate An antibiotic that inhibits phospholipid-sensitive Ca2+-dependent protein kinases. Mixture of polymyxin B1 sulfate and polymyxin B2 sulfate. Binds to cell wall and makes it more permeable, causing fluid uptake. Effective against Gram-negative bacteria. 产品信息 Form White to off-white solid Primary Target Phospholipid sensitive Ca2+ dependent protein kinases Biological activity Potency: ≥7500 IU/mg Solubility H2O RTECS TR1150000 CAS number 1405-20-5 Merck USA index 14, 7573 商店和运输信息 Storage +15°C to +30°C Ship Ambient Temperature Only Harmful