Colistin Sulfate (CAS 1264-72-8) Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Basic Parameters
| CAS Number | 1264-72-8 |
|---|---|
| Molecular Formula | 2(C52H98N16O13)·5(H2SO4) |
| Molecular Weight | 2801.27 |
| Appearance | White crystalline powder |
| Solubility | Soluble in water (50 mg/mL) |
| Melting Point | 200–220°C |
| Storage | 2–8°C, dry environment |
Comparative Analysis
| Supplier | Purity | Packaging |
|---|---|---|
| ChemeGen China | ≥98% | 100 mg, 1 g, 5 g |
| Wuhan Wislman Bio | ≥98% | 1 kg (bulk) |
| Shenzhen Xingkaiyue | ≥99% | 1 kg, 5 kg, 25 kg |
2. Key Applications & Mechanism
Primary Use: Broad-spectrum polypeptide antibiotic targeting Gram-negative bacteria (e.g., E. coli, Pseudomonas aeruginosa, Klebsiella pneumoniae).
Mechanism: Binds to lipopolysaccharides (LPS) and phospholipids in bacterial outer membranes, disrupting membrane integrity via detergent-like action. Effective against multidrug-resistant strains.
Clinical Relevance: Critical for treating hospital-acquired infections, particularly in ICU settings where resistance to other antibiotics is prevalent.
3. Usage Scenarios
- Pharmaceutical Manufacturing: Active ingredient in injectable antibiotics for systemic infections.
- Veterinary Medicine: Growth promoter and therapeutic agent in livestock feed.
- Research: Standard reference material for antimicrobial susceptibility testing (AST).
4. Verified Customer Cases
Case 1: ChemeGen China
Application: Supplied 98% purity Colistin Sulfate to a Shanghai biomedical research institute for developing rapid diagnostic kits for carbapenem-resistant pathogens. Reported 99% batch consistency over 12 months.
Case 2: Wuhan Wislman Bio
Application: Provided bulk quantities (1 kg batches) to a pharmaceutical manufacturer in Guangdong for producing ICU-targeted antibiotics. Achieved 30% reduction in production costs through optimized formulations.
Case 3: Hubei Changxinsheng Chemical
Application: Delivered 99% purity material to a veterinary feed additive company in Henan. Improved livestock survival rates by 22% in controlled trials against avian colibacillosis.
5. Request Quotation
For bulk pricing, COA documentation, or custom formulations:
- Email: info@vivalr.com
- Phone: (86) 15866781826



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