Difelikefalin

Difelikefalin (CR-845) is a peripherally restricted and selective agonist of kappa opioid receptor (KOR) . Difelikefalin produces anti-inflammatory effects and has the potential in modulating pruritus in conditions such as chronic kidney disease[1][2].

Product Specifications

CAS Number

[1024828-77-0]

Product Name Alternative

CR-845; FE-202845

UNSPSC

12352209

Hazard Statement

H302, H312, H332

Target

Opioid Receptor

Type

Peptides

Related Pathways

GPCR/G Protein; Neuronal Signaling

Applications

Neuroscience-Neuromodulation

Field of Research

Inflammation/Immunology; Neurological Disease

Assay Protocol

https://www.medchemexpress.com/difelikefalin.html

Purity

99.98

Solubility

DMSO : 100 mg/mL (ultrasonic) |H2O : ≥ 100 mg/mL

Smiles

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

Molecular Formula

C36H53N7O6

Molecular Weight

679.85

Precautions

H302, H312, H332

References & Citations

[1]Steven Fishbane, et al. Randomized Controlled Trial of Difelikefalin for Chronic Pruritus in Hemodialysis Patients. Kidney Int Rep. 2020 Jan 28;5 (5) :600-610.|[2]Steven Fishbane, et al. A Phase 3 Trial of Difelikefalin in Hemodialysis Patients With Pruritus. N Engl J Med. 2020 Jan 16;382 (3) :222-232.