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API Impurities

Colistimethate sodium

Reference StandardAvailable on request

Colistimethate sodium (CAS 8068-28-8) supplier Zemixal: C45H85N13O10, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-036543.

Pack sizes
Colistimethate sodium chemical structure
CAS number8068-28-8
FormulaC45H85N13O10
Molar mass968.2 g/mol
Physical formSolid
HS code38229090
InChIKeyRPABDKTXMKOGKI-OYTUFZPASA-N
IUPAC name6-methyl-N-[2-[(2S,5S,8S,11S,14S,17S,20S,23S)-8,11,14,20-tetrakis(2-aminoethyl)-5-[(1R)-1-hydroxyethyl]-17,23-bis(2-methylpropyl)-3,6,9,12,15,18,21,24-octaoxo-1,4,7,10,13,16,19,22-octazacyclotetracos-2-yl]ethyl]octanamide

About Colistimethate sodium

Colistimethate sodium is part of the Zemixal API Impurities range. Identity at a glance (Reference Standard): CAS 8068-28-8, formula C45H85N13O10 and molar mass 968.2 g/mol. It is handled as a solid.

Where it is used

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

Classified under GHS with signal word Warning and hazard statements H361 and H362. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Colistimethate sodium
Product nameColistimethate sodium
Catalogue numberZX-036543
CAS number8068-28-8
IUPAC name6-methyl-N-[2-[(2S,5S,8S,11S,14S,17S,20S,23S)-8,11,14,20-tetrakis(2-aminoethyl)-5-[(1R)-1-hydroxyethyl]-17,23-bis(2-methylpropyl)-3,6,9,12,15,18,21,24-octaoxo-1,4,7,10,13,16,19,22-octazacyclotetracos-2-yl]ethyl]octanamide
Molecular formulaC45H85N13O10
Molar mass968.2 g/mol
Exact mass967.6542
GradeReference Standard
Physical formSolid
XLogP3-0.7
H-bond donors / acceptors14 / 14
Topological polar surface area386 Ų
HS code38229090
InChIKeyRPABDKTXMKOGKI-OYTUFZPASA-N
SMILESCCC(C)CCCCC(=O)NCC[C@H]1C(=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)N[C@H](C(=O)N[C@H](C(=O)N1)CC(C)C)CCN)CC(C)C)CCN)CCN)CCN)[C@@H](C)O
PubChem CID44585614
Synonymscolistin methane sulfonate, Colimycine, Methacolimycin, Alficetin, sodio colistimetato, colistimethate sodique, colistimetato de sodio, colistimethatum natricum, First Guard Sterile Powder, Colimycin

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Warning

  • H361Suspected of damaging fertility or the unborn child
  • H362May cause harm to breast-fed children

Precautionary statements P203, P260, P263, P264, P270, P280, P318, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Colistimethate sodium
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Colistimethate sodium

Which CAS number identifies Colistimethate sodium?
Colistimethate sodium is registered under CAS 8068-28-8. You may also see it listed as colistin methane sulfonate, Colimycine, Methacolimycin. Our catalogue number for this item is ZX-036543.
What are the formula and molar mass of Colistimethate sodium?
For Colistimethate sodium, its formula is C45H85N13O10 and its molar mass is 968.2 g/mol. InChIKey RPABDKTXMKOGKI-OYTUFZPASA-N lets you match it in any structure database.
What grade and pack sizes are available for Colistimethate sodium?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Colistimethate sodium?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Colistimethate sodium to my country?
Yes. Because Colistimethate sodium is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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