| Identification | Back Directory | [Name]
Colistin B | [CAS]
7239-48-7 | [Synonyms]
Colistin B
Polymyxin E2
Polymyxin E1, 1-[(2S)-4-amino-2-[(6-methyl-1-oxoheptyl)amino]butanoic acid]-
N2-(6-Methyl-1-oxoheptyl-L-A2bu-L-Thr-L-A2bu-)cyclo(L-A2bu*-L-A2bu-D-Leu-L-Leu-L-A2bu-L-A2bu-L-Thr-) | [Molecular Formula]
C52H98N16O13 | [MOL File]
7239-48-7.mol | [Molecular Weight]
1155.43 |
| Chemical Properties | Back Directory | [alpha ]
225461 -94.5° (2% acetic acid) | [Boiling point ]
1537.3±65.0 °C(Predicted) | [density ]
1.26±0.1 g/cm3(Predicted) | [pka]
13.08±0.70(Predicted) |
| Hazard Information | Back Directory | [Uses]
Colistin B is used as an antibiotic in the treatment of infectious diseases resulting from multi-drug resistant (MDR) gram-negative bacteria. | [Definition]
Colistin B is a polymyxin having a 6-methylheptanoyl group at the amino terminus.
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