Certificate of Analysis
| Product Name: | Difelikefalin (CR-845; FE-202845) TFA |
| Catalog Number: | M10432 |
| CAS Number: | 1024828-77-0 (free base) |
Physical and Chemical Properties
| Formula: | C36H53N7O6.C2HF3O2 |
| Molecular Weight: | 793.87 |
| Solubility: | Water 100 mg/mL; DMSO 90 mg/mL |
| Storage: | -20°C, dry, sealed |
| Chemical Structure: |  |
Analytical Data
| QC Standard: | >99% |
| H-NMR: | Consistent with structure |
Product Information
| Description: | Difelikefalin (CR-845; FE-202845) TFA is a synthetic peptide and the first-in-class, peripherally-restricted, selective agonist of the κ-opioid receptor (KOR) for studies related to pruritus. |
| 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. |