Colistin B Sulfate

Name: Colistin B Sulfate
Brand: Vaqora Chemicals
SKU: VQ-047865

About Colistin B Sulfate

Colistin B Sulfate (CAS 1338055-88-1) is a process intermediate or related compound of Colistin offered by Vaqora Chemicals. Formula C52H100N16O17S, molecular weight 1253.5 g/mol. It is also known as Polymyxin E2 (sulfate) or Colistin B Sulfate Salt.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is a process intermediate or related compound in the synthesis of Colistin, useful for route development, impurity fate-and-purge studies and analytical method development. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Colistin B Sulfate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Colistin

View every impurity, metabolite and intermediate we list for Colistin.

Colistin impurities

Specifications & identifiers

Chemical identifiers
Product name	Colistin B Sulfate
Catalogue No.	VQ-047865
CAS Number	1338055-88-1
IUPAC name	N-[(2S)-4-amino-1-[[(2S,3R)-1-[[(2S)-4-amino-1-oxo-1-[[(3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-3-[(1R)-1-hydroxyethyl]-12,15-bis(2-methylpropyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptazacyclotricos-21-yl]amino]butan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]amino]-1-oxobutan-2-yl]-6-methylheptanamide;sulfuric acid
Molecular formula	C₅₂H₁₀₀N₁₆O₁₇S
Molecular weight	1253.5 g/mol
Exact mass	1252.7173
HSN code	2933
InChIKey	XYXFTCPJFHFTTO-KSPURPISSA-N
SMILES	C[C@H]([C@H]1C(=O)NCC[C@@H](C(=O)N[C@H](C(=O)N[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)CCN)CCN)CC(C)C)CC(C)C)CCN)NC(=O)[C@H](CCN)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](CCN)NC(=O)CCCCC(C)C)O.OS(=O)(=O)O
PubChem CID	56642479

Physical properties
Physical form	Solid
H-bond donors / acceptors	20 / 22
TPSA	574 Å²

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H301Toxic if swallowed

Precautionary statements: P264, P270, P301 + P316, P321, P330, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Colistin B Sulfate?

The CAS Registry Number of Colistin B Sulfate is 1338055-88-1. It is also known as Polymyxin E2 (sulfate), Colistin B Sulfate Salt.

What is the molecular formula and molecular weight of Colistin B Sulfate?

Colistin B Sulfate has the molecular formula C52H100N16O17S and a molecular weight of 1253.5 g/mol.

What is Colistin B Sulfate used for?

Colistin B Sulfate is supplied as a characterised reference material related to Colistin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Colistin B Sulfate can I order?

We supply Colistin B Sulfate, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Colistin B Sulfate?

Yes. Every lot of Colistin B Sulfate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Colistin B Sulfate be shipped internationally?

Yes. Colistin B Sulfate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.