CJ-023423

Prostaglandin E2 (PGE2) activates four E prostanoid (EP) receptors, EP1-4. EP4 is a Gs protein-coupled receptor that, by elevating the second messenger cAMP, plays important roles in bone formation and resorption, cancer, and atherosclerosis. CJ-023423 is a potent and selective antagonist of the EP4 receptor (Ki = 13 and 20 nM for human and rat EP4, respectively). It inhibits PGE2-evoked elevation in intracellular cAMP in cells and, in vivo, reduces thermal hyperalgesia induced by intraplantar injection of PGE2. CJ-023423 reduces acute and chronic inflammatory pain in different mouse models.Formal Name: N-[[2,4-(2-ethyl-4,6-dimethyl-1H-imidazo[4,5-c]pyridin-1-yl)phenylethylamino]carbonyl]-4-methyl-benzenesulfonamide. CAS Number: 415903-37-6. Synonyms: Grapiprant, RQ-00000007. Molecular Formula: C26H29N5O3S. Formula Weight: 491.6. Purity: >98%. Formulation: (Request formulation change), A crystalline solid. Solubility: DMF: 20 mg/ml, DMF:PBS (pH 7.2) (1:3): 0.25 mg/ml, DMSO: 10 mg/ml, Ethanol: 10 mg/ml. SMILES: O=C(NS(C1=CC=C(C)C=C1)(=O)=O)NCCC2=CC=C(N3C(CC)=NC4=C(C)N=C(C)C=C43)C=C2. InChi Code: InChI=1S/C26H29N5O3S/c1-5-24-29-25-19(4)28-18(3)16-23(25)31(24)21-10-8-20(9-11-21)14-15-27-26(32)30-35(33,34)22-12-6-17(2)7-13-22/h6-13,16H,5,14-15H2,1-4H3,(H2,27,30,32). InChi Key: HZVLFTCYCLXTGV-UHFFFAOYSA-N.