Colistin Sulfate (Mixture of A and B compound) CAS 1264-72-8

Purity >95%In StockPharmaceutical Standards
CAS No.1264-72-8
Molecular FormulaCompound A: C53H100N16O13 (H2SO4) Compound B: C52H98N16O13 (H2SO4)
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Colistin Sulfate (Mixture of A and B compound) CAS 1264-72-8 chemical structure

Description

Colistin Sulfate (Mixture of A and B compound) (CAS 1264-72-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: Compound A: C53H100N16O13 (H2SO4) Compound B: C52H98N16O13 (H2SO4). Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaCompound A: C53H100N16O13 (H2SO4) Compound B: C52H98N16O13 (H2SO4)
Molecular Weight2649.76 g/mol
Purity>95%
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)21.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms32
Sulfur Atoms2

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