货号：E-2024053968
CAS：1264-72-8
规格：mg(更多包装需求请咨询客服)
纯度：95%+
生产商：试剂家

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Catalogue Number:C641500
Chemical Name:Colistin Sulfate (Mixture of A and B compound)
Synonyms:Polymyxin E. Sulfate; Belcomycine; Colomycin;
CAS Number:1264-72-8
Alternate CAS #
Free Base: 1066-17-7
Molecular Formula:Compound A: C₅₃H₁₀₀N₁₆O₁₃ • (H₂SO₄) Compound B: C ₅₂H₉₈N₁₆O₁₃ • (H₂SO₄)
Appearance:White to Pale Yellow Solid
Melting Point:>202°C (dec.)
Molecular Weight:Compound A: 1169.46 + 98.08 Compound B: 1155.43 + 98.08
Storage:-20°C
Solubility:Water (Sparingly)
Category:Standards; Others; Pharmaceutical/API Drug Impurities/Metabolites; Antibotics;
Applications:Cyclic polypeptide antibiotic produced by Bacillus polymyxa. Complex mixture of at least 30 components, primarily colistins A and B.[a]D= -65° (c= 1, Water) LOD: 3% DAB= a,γ-diaminobutyric acidHeavy Metals: 20ppm Colistin A R= (+)-6-methyloctanoylArsenic Content: 2ppm/g Colistin B R= 6-methylheptanoylSulfate: 16-18%Biological Potency (dry basis): 19600U/mg
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References:Suzuki, T., et al.: J. Biochem., 54, 25 (1963), Barnett, M., et al.: Br. J. Pharmacol. Chemother., 23, 552 (1964), Littlewood, J, M., et al.: Respir. Med., 94, 632 (2000), Li, J., et al.: Int. J. Antimicrob. Ag., 25, 11 (2005),
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