Certificate of Analysis
| Product Name: | SPR741 acetate |
| Catalog Number: | M53552 |
| CAS Number: | 1179330-52-9 (free base) |
Physical and Chemical Properties
| Formula: | C46H77N13O15 |
| Molecular Weight: | 1052.18 |
| Solubility: | DMSO 100 mg/mL |
| Storage: | -20°C, dry, sealed |
| Chemical Structure: |  |
Analytical Data
| QC Standard: | >99.0% |
| H-NMR: | Consistent with structure |
Product Information
| Description: | SPR741 (NAB741) acetate is a cationic peptide derived from polymyxin B and is a potentiator molecule. SPR741 acetate increases the permeability of the outer membrane of Gram-negative bacteria and is used to treat severe Gram-negative bacteria infections. SPR741 acetate inhibits multidrug-resistant Gram-negative bacteria. |
| 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. |