CAS 1024828-77-0: Difelikefalin

  • CAS 1024828-77-0: Difelikefalin

CAS 1024828-77-0: Difelikefalin
(World's Largest Pharmaceutical Supplier)

  • CAS Number: 1024828-77-0
  • Stock: 390g
  • Assay: 99.60%

Difelikefalin, CAS 1024828-77-0

Difelikefalin, CAS 1024828-77-0Stock 390g, Assay 99.6%, White powder, Water 0.32%, Single Impurity 0.4%.


Difelikefalin, also known CR-845; MR-13A-9; MR-13A9, is a novel and potent kappa opioid receptor agonist. CR845 exhibit low P450 CYP inhibition and low penetration into the brain. CR845 may be useful in the prophylaxis and treatment of pain and inflammation associated with a variety of diseases and conditions.

Product Details:

Name: Difelikefalin

CAS#: 1024828-77-0 (free base)

Chemical Formula: C36H53N7O6

Exact Mass: 679.40573

Molecular Weight: 679.86

Elemental Analysis: C, 63.60; H, 7.86; N, 14.42; O, 14.12


Related CAS #: 1024829-44-4 (acetate)   1024828-77-0 (free base)   2742623-88-5 (TFA)   2711717-77-8 (3HCl)   413256-25-2 (1HCl)    

Synonym: CR845; CR-845; CR 845; MR-13A-9; MR-13A9; Difelikefalin

IUPAC/Chemical Name: 1-(D-phenylalanyl-D-phenylalanyl-D-leucyl-D-lysyl)-4-aminopiperidine-4-carboxylic acid


InChi Code: InChI=1S/C36H53N7O6/c1-24(2)21-29(32(45)40-28(15-9-10-18-37)34(47)43-19-16-36(39,17-20-43)35(48)49)42-33(46)30(23-26-13-7-4-8-14-26)41-31(44)27(38)22-25-11-5-3-6-12-25/h3-8,11-14,24,27-30H,9-10,15-23,37-39H2,1-2H3,(H,40,45)(H,41,44)(H,42,46)(H,48,49)/t27-,28-,29-,30-/m1/s1

SMILES Code: 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

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO, not in water

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001