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Merck

27655

Sigma-Aldrich

Colistinnatriummethansulfonat

from Bacillus colistinus

Synonym(e):

Colimycin-Natriummethansulfonat, Methansulfonsäurederivat von Polymyxin E

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1 G
€ 126,00
5 G
€ 466,00

€ 126,00


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1 G
€ 126,00
5 G
€ 466,00

About This Item

Empirische Formel (Hill-System):
C58H115N16Na5O28S5
CAS-Nummer:
Molekulargewicht:
1759.90
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
51102829
PubChem Substanz-ID:
NACRES:
NA.85

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Biologische Quelle

Bacillus colistinus

Qualitätsniveau

Form

powder or crystals

Glührückstand

~20%

Verlust

≤5.0% loss on drying

Farbe

white to off-white

pH-Wert

6.5-8.5

Wirkungsspektrum von Antibiotika

Gram-negative bacteria

Wirkungsweise

cell membrane | interferes

Lagertemp.

2-8°C

SMILES String

[Na+].[Na+].[Na+].[Na+].[Na+].CS([O-])(=O)=O.CS([O-])(=O)=O.CS([O-])(=O)=O.CS([O-])(=O)=O.CS([O-])(=O)=O.CCC(C)CCCCC(=O)N[C@@H](CCN)C(=O)N[C@@H](C(C)O)C(=O)N[C@@H](CCN)C(=O)N[C@H]1CCNC(=O)[C@@H](NC(=O)[C@H](CCN)NC(=O)[C@@H](CCN)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](CC(C)C)NC(=O)[C@H](CCN)NC1=O)C(C)O

InChI

1S/C53H100N16O13.5CH4O3S.5Na/c1-9-30(6)12-10-11-13-41(72)60-33(14-20-54)48(77)69-43(32(8)71)53(82)65-36(17-23-57)45(74)64-38-19-25-59-52(81)42(31(7)70)68-49(78)37(18-24-58)62-44(73)34(15-21-55)63-50(79)39(26-28(2)3)67-51(80)40(27-29(4)5)66-46(75)35(16-22-56)61-47(38)76;5*1-5(2,3)4;;;;;/h28-40,42-43,70-71H,9-27,54-58H2,1-8H3,(H,59,81)(H,60,72)(H,61,76)(H,62,73)(H,63,79)(H,64,74)(H,65,82)(H,66,75)(H,67,80)(H,68,78)(H,69,77);5*1H3,(H,2,3,4);;;;;/q;;;;;;5*+1/p-5/t30?,31-,32-,33+,34-,35+,36+,37+,38+,39+,40-,42+,43+;;;;;;;;;;/m1........../s1

InChIKey

WSDSONZFNWDYGZ-BKFDUBCBSA-I

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Allgemeine Beschreibung

Chemical structure: peptide

Anwendung

Colistin sodium methanesulfate is used to permeabilize bacterial cell membranes and to study mannose-resistant haemagglutination.

Biochem./physiol. Wirkung

Wirkungsweise: Bindet an Lipide auf der Cytoplasmamembran von Gram-negativen Bakterien und stört die Zellwandintegrität.

Antimikrobielles Spektrum: Gram-negative Bakterien.
Colistin sodium methanesulfate is a cyclopolypeptide antibiotic with endotoxin-binding capacity[1] Colistin′s activity stems from the hydrophobic and hydrophillic regions. They solubilze the cytoplasmic membrane which contributes to the bactericidal effect [2].

Verpackung

1g, 5g

Sonstige Hinweise

Keep container tightly closed in a dry and well-ventilated place. Keep in a dry place. Keep in a dry place.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)


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In der Dokumentenbibliothek finden Sie die Dokumentation zu den Produkten, die Sie kürzlich erworben haben.

Die Dokumentenbibliothek aufrufen

Matthew E Falagas et al.
Expert review of anti-infective therapy, 6(5), 593-600 (2008-10-14)
Despite the constantly increasing need for new antimicrobial agents, antibiotic drug discovery and development seem to have greatly decelerated in recent years. Presented with the significant problem of advancing antimicrobial resistance, the global scientific community has attempted to find alternative
M.J. Rogers et al.
Infection (Munich), 14, 79-79 (1986)
Roberto Imberti et al.
Chest, 138(6), 1333-1339 (2010-06-19)
Infections caused by multidrug-resistant gram-negative bacteria have caused a resurgence of interest in colistin. To date, information about pharmacokinetics of colistin is very limited in critically ill patients, and no attempts have been made to evaluate its concentration in BAL.
Roberto Imberti et al.
Antimicrobial agents and chemotherapy, 56(8), 4416-4421 (2012-06-13)
Intraventricular colistin, administered as colistin methanesulfonate (CMS), is the last resource for the treatment of central nervous system infections caused by panresistant Gram-negative bacteria. The doses and daily regimens vary considerably and are empirically chosen; the cerebrospinal fluid (CSF) pharmacokinetics
W Couet et al.
Clinical pharmacology and therapeutics, 89(6), 875-879 (2011-05-06)
Colistin pharmacokinetics (PK) was investigated in young healthy volunteers after a 1-h infusion of 80 mg (1 million international units (MIU)) of the prodrug colistin methanesulfonate (CMS). Concentration levels of CMS and colistin were determined in plasma and urine using

Questions

  1. For how long can product 27655 (Colistin Sodium Methanesulfonate) be stored at RT in powder form before loosing any efficacy? Can you provide any RT storage stability/efficacy data?

    1 answer
    1. The stability of Product 27655, Colistin Sodium Methanesulfonate, if stored at ambient temperature is not determined.

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