|
Product Information |
|
Product name |
Colistin Methanesulfonate Sodium / Colistimethate Sodium |
|
CAS No. |
8068-28-8 |
|
Molecular Formula |
C58H105N16Na5O28S5 |
|
Molecular Weight |
1759.90 |
|
Quality Standard |
98% up, Medicine Grade |
|
Appearance |
White powder |
|
Specification of Colistimethate Sodium |
|
Category |
Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug |
|
Standard |
Medical standard |
|
Shelf life |
2 years |
|
Storage |
should be stored in a well-closed container at low temperature, keep away from moisture, heat and light. |
|
Test Item |
Standard: USP |
|
Identification |
IR spectrum similar to that of RS |
|
HPLC retention time similar to that of RS |
|
|
Related substance |
Total impurities: NMT0.3% |
|
Single impurity: NMT0.1% |
|
|
Heavy metals |
NMT 10ppm |
|
Loss on drying |
NMT0.5% |
|
Residue on ignition |
NMT0.1% |
|
Assay |
98.5%-101.0% |
|
Usage |
What is Colistimethate
Sodium
Colistin is a group of polypeptide antibiotics produced by bacillus polymyxa. Among
them, polymyxin B and E have significant antibacterial activity against
gram-negative bacteria, and they are the first choice for the treatment of
Pseudomonas aeruginosa infections.
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