Colistin Sulfate (Mixture of A and B compound)

Catalogue number: C641500
Chemical name: Colistin Sulfate (Mixture of A and B compound)
Synonyms: Polymyxin E. Sulfate; Belcomycine; Colomycin;
CAS Number: 1264-72-8
Possible CAS #: NA
Molecular form.: x(C₅₃H₁₀₀N₁₆O₁₃)ₐ + x(C ₅₂H₉₈N₁₆O₁₃)B .xH₂
Appearance: Off-White Solid
Melting Point: >202°C (dec.)
Mol. Weight: -1169.461155459808
Storage: -20°C Freezer
Solubility: Water (Sparingly)
Stability: No Data Available
Category: Pharmaceuticals, Intermediates & Fine Chemicals,
Boiling Point: No Data Available
Applications: Cyclic polypeptide antibiotic produced by Bacillus polymyxa. Complex mixture of at least 30 components, primarily colistins A and B. [α]D= -65° (c= 1, Water) LOD: 3% DAB= α,γ-diaminobutyric acid Heavy Metals: 20ppm Colistin A R= (+)-6-methyloctanoyl Arsenic Content: 2ppm/g Colistin B R= 6-methylheptanoyl Sulfate: 16-18% Biological Potency (dry basis): 19600U/mg
Dangerous Goods Info: Not a dangerous good if item is equal too or less than 1g/ml and there is less than 100g 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),
Peer Review Product Citations:

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20g $175.00
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2g $45.00
10g $90.00
Exact Weight Packaging ($75(USD) / Vial)
Inventory Status:   In Stock

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