Certificate of Analysis
| Product Name: | Polymyxin B sulphate |
| Catalog Number: | M5885 |
| CAS Number: | 1405-20-5 |
Physical and Chemical Properties
| Formula: | C56H98N16O13.H2SO4 |
| Molecular Weight: | 1301.56 |
| Solubility: | 100 mg/mL in water |
| Storage: |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Chemical Structure: |  |
Analytical Data
| QC Standard: | Antibiotic Titer > 6500 IU/mg |
| H-NMR: | Consistent with structure |
Product Information
| Description: | Polymyxin B is an antibiotic primarily used for resistant gram-negative infections. |
| Stability and Solubility Advice: | Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide. We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details. |