Your shopping cart is currently empty

Difelikefalin acetate (CR 845 acetate) is a peripherally restricted kappa opioid receptor agonist. CR845 exhibit low P450 CYP inhibition and low penetration into the brain.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $100 | - | In Stock | |
| 5 mg | $208 | - | In Stock | |
| 10 mg | $327 | - | In Stock | |
| 25 mg | $527 | - | In Stock | |
| 50 mg | $713 | - | In Stock | |
| 100 mg | $978 | - | In Stock | |
| 200 mg | $1,290 | - | In Stock |
| Description | Difelikefalin acetate (CR 845 acetate) is a peripherally restricted kappa opioid receptor agonist. CR845 exhibit low P450 CYP inhibition and low penetration into the brain. |
| In vitro | Difelikefalin (CR-845; FE-202845) does not penetrate the blood-brain barrier. Difelikefalin does not bind to mu opioid receptors or any other receptors beside KORs[1]. |
| Molecular Weight | 739.9 |
| Formula | C38H57N7O8 |
| Cas No. | 2803411-76-7 |
| Smiles | CC(O)=O.O=C(C1(N)CCN(C([C@@H](CCCCN)NC([C@@H](CC(C)C)NC([C@@H](CC2=CC=CC=C2)NC([C@@H](CC3=CC=CC=C3)N)=O)=O)=O)=O)CC1)O |
| Relative Density. | no data available |
| Storage | keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
| Size | Quantity | Unit Price | Amount | Operation |
|---|

Copyright © 2015-2026 TargetMol Chemicals Inc. All Rights Reserved.