Polymyxin E2 (sulfate), CAS 1338055-88-1

Formulation: A solid

Formal Name: 1-[(2S)-4-amino-2-[(6-methyl-1-oxoheptyl)amino]butanoic acid]-polymyxin E1, sulfate

Purity: ≥90%

Formula Markup: C52H98N16O13 • XH2SO4

Formula Weight: 1155,4

Shelf life (days): 1460

CAS Number: 1338055-88-1

Notes: Polymyxin E2 is a peptide antibiotic and a major constituent of the cationic lipopeptide antibiotic colistin (Item No. 17584) originally isolated from B. polymyxa.{40859} It is active against the plant pathogenic bacteria X. oryzae (EC50 = 0.21 µg/ml) and prevents and reverses rice bacterial leaf blight in greenhouse studies when applied at a concentration of 200 µg/ml.{72075}

• SKU: CAY39721-500
• Manufacturer: Cayman Chemical
• Manufacturer SKU: 39721-500
• Green Labware: No
• Package Unit: 500 µg
• Quantity Unit: STK