JZL184 is a strong and selective inhibitor of Monoglyceride Lipase

JW 55 is an inhibitor of the PARP domain of tankyrase 1 and 2 (TNKS1/2). JW55 decreased auto-PARsylation of TNKS1/2 in vitro with IC50 values of 1.9 uM and 830 nM respectively.

JSH-23 is an inhibitor of NF-κB transcriptional activity with IC50 of 7.1 μM.

JNK-IN-8 is a potent and irreversible JNK inhibitor that inhibits the phosphorylation of c-Jun.

JNJ-63533054 is a potent and selective agonist of hGPR139 with an EC50 = 16 nM.

JNJ-38877605 is an ATP-competitive inhibitor of c-Met with IC50 of 4 nM, 600-fold selective for c-Met than 200 other tyrosine and serine-threonine kinases.

JNJ-10229570 (JNJ10229570) is a novel potent, selective melanocortin receptor MC1R and MC5R antagonist with binding IC50 of 270 nM and 200 nM, respectively.

JND3229 is a New EGFRC797S Mutant Inhibitor with In Vivo Monodrug Efficacy (IC50 = 5.8 nM).

JIB-04 is a pan-selective Jumonji histone demethylase inihibitor with IC50 of 230, 340, 855, 445, 435, 1100, and 290 nM for JARID1A, JMJD2E, JMJD3, JMJD2A, JMJD2B, JMJD2C, and JMJD2D, respectively.

JH-II-127 is a highly potent, selective, and brain penetrant LRRK2 inhibitor.

JD5037 is an inverse agonist of peripheral cannabinoid 1 (CB1) receptors (Ki = 0.35 nM).

JAK2 inhibitor G5-7 is a small molecule, allosteric JAK2 inhibitor that selectively inhibits JAK2-mediated phosphorylation and activation of EGFR and STAT3 by binding to JAK2.

J-147 is a potent neuroprotective and neurotrophic compound.

IWR-1 (endo-IWR 1) is a Wnt pathway inhibitor with IC50 of 180 nM, induces Axin2 protein levels and promotes β-catenin phosphorylation by stabilizing Axin-scaffolded destruction complexes.

IWP-2 is an inhibitor of Wnt processing and secretion with IC50 of 27 nM, selective blockage of Porcn-mediated Wnt palmitoylation, does not affect Wnt/β-catenin in general and displays no effect against Wnt-stimulated cellular responses.

IWP L6 is a Porcn inhibitor with EC50 of 0.5 nM.

Ivacaftor (VX-770, Kalydeco) is a potentiator of CFTR targeting G551D-CFTR and F508del-CFTR with EC50 of 100 nM and 25 nM, respectively.

Ivabradine, a new If inhibitor with IC 50 of 2.9 μM which acts specifically on the pacemaker activity of the sinoatrial node, is a pure heart rate lowering agent.

ITD-1 is a novel and highly selective TGFβ pathway inhibitor. ITD-1 molecule turns stem cells into heart cells.

Itacitinib is a potent and selective inhibitor of JAK1, with >20-fold selectivity for JAK1 over JAK2 and >100-fold over JAK3 and TYK2; Itacitinib is used in the research of myelofibrosis.

ISX-9 is a small molecule inducer of adult neural stem cell differentiation both in vitro and in vivo.

Istradefylline(KW6002) is a very potent, selective and orally active adenosine A2A receptor antagonist(Ki=2.2 nM) in experimental models of Parkinson's disease.

ISRIB (trans-isomer), the trans-isomer of ISRIB, is a potent and selective PERK inhibitor with IC50 of 5 nM.

Irinotecan(CPT-11) prevents DNA from unwinding by inhibition of topoisomerase 1.

Irinotecan prevents DNA from unwinding by inhibition of topoisomerase 1.

Irbinitinib(ARRY-380; ONT-380) is a potent and selective HER2 inhibitor with IC50 of 8 nM, equipotent against truncated p95-HER2, 500-fold more selective for HER2 versus EGFR.

Irbesartan is a highly potent and specific angiotensin II type 1 (AT1) receptor antagonist with IC50 of 1.3 nM.

IPSU is a selective, orally available and brain penetrant OX2R antagonist with a pKi of 7.85.

IOX1 is a potent and broad-spectrum inhibitor of 2OG oxygenases, including the JmjC demethylases.

IOX 2 is a potent inhibitor of HIF-1α prolyl hydroxylase-2 (PHD2) (IC50 = 21 nM). IOX 2 displays over 100-fold selectivity for PHD2 over factor inhibiting HIF-1 (FIH-1) and histone demethylases.