Colistin sulphate salt, ≥19,000 IU/mg

Name: Colistin sulphate salt, ≥19,000 IU/mg
Brand: Vaqora Chemicals
SKU: VQ-003726

About Colistin sulphate salt, ≥19,000 IU/mg

Colistin sulphate salt, ≥19,000 IU/mg (CAS 1264-72-8) is a research antibiotic offered by Vaqora Chemicals. Its molecular formula is C105H206N32O32S2 and its molecular weight is 2493.1 g/mol. Alternative names: Polymyxin E and Belcomycine.

The material typically appears as a white to off-white powder. Recommended storage is at 2–8 °C, with the container kept tightly sealed. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span selection in cell culture, microbiology research and antimicrobial studies. It is used across academic and industrial research and diagnostics and biotechnology.

Vaqora Chemicals supplies Colistin sulphate salt, ≥19,000 IU/mg in 100 mg and 1 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Selection in cell culture
Microbiology research
Antimicrobial studies

Industries

Specifications & identifiers

Chemical identifiers
Product name	Colistin sulphate salt, ≥19,000 IU/mg
Catalogue No.	VQ-003726
CAS Number	1264-72-8
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-hydroxybutan-2-yl]amino]-1-oxobutan-2-yl]-6-methylheptanamide;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-hydroxybutan-2-yl]amino]-1-oxobutan-2-yl]-6-methyloctanamide;sulfuric acid
Molecular formula	C₁₀₅H₂₀₆N₃₂O₃₂S₂
Molecular weight	2493.1 g/mol
Exact mass	2492.4951
HSN code	28276090
InChIKey	ZESIAEVDVPWEKB-ORCFLVBFSA-N
PubChem CID	71457944

Physical properties
Physical form	Powder
Appearance	White to off-white powder
H-bond donors / acceptors	40 / 44
TPSA	1110 Å²
Storage	2–8 °C
Synonyms	Polymyxin E, Belcomycine, Colimycin sulphate, Colistins sulphate, Sulfate, Colistin, Belcomycin, Colimycin sulfate, Colistin Sulfate, Colistin sulphate, Colistin, sulfate (salt), Colistins sulfate, Coly-Mycin S

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 sulphate salt, ≥19,000 IU/mg?

The CAS Registry Number of Colistin sulphate salt, ≥19,000 IU/mg is 1264-72-8. It is also known as Polymyxin E, Belcomycine, Colimycin sulphate.

What is the molecular formula and molecular weight of Colistin sulphate salt, ≥19,000 IU/mg?

Colistin sulphate salt, ≥19,000 IU/mg has the molecular formula C105H206N32O32S2 and a molecular weight of 2493.1 g/mol.

Which grade and pack sizes of Colistin sulphate salt, ≥19,000 IU/mg can I order?

We supply Colistin sulphate salt, ≥19,000 IU/mg, in 100 mg, 1 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Colistin sulphate salt, ≥19,000 IU/mg?

Yes. Every lot of Colistin sulphate salt, ≥19,000 IU/mg 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 sulphate salt, ≥19,000 IU/mg be shipped internationally?

Yes. Colistin sulphate salt, ≥19,000 IU/mg 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.

How should Colistin sulphate salt, ≥19,000 IU/mg be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.