Itacnosertib (TP-0184) is both inhibitor to JAK2, ACVR1 (ALK2) and ALK5 as described in WO2014151871.

Nezulcitinib (TD-0903) is an inhaled and lung-selective pan-Janus kinase (JAK) inhibitor. Nezulcitinib can be used for the research of COVID-19 associated acute lung injury and impaired oxygenation.

JAK2/FLT3-IN-1 (TFA) is a potent and orally active dual JAK2/FLT3 inhibitor with IC50 values of 0.7 nM, 4 nM, 26 nM and 39 nM for JAK2, FLT3, JAK1 and JAK3, respectively. JAK2/FLT3-IN-1 (TFA) has anti-cancer activity.

Deuruxolitinib (CTP-543), a deuterated Ruxolitinib, modulates the activity of JAK1/JAK2. Deuruxolitinib can be used for the research hair loss disorders (from patent WO2017192905A1, compound I).

TG-89 is a JAK inhibitor. It has IC50 values of 6, 25, 17 and 169 nM against JAK2, FLT3, RET and JAK3 respectively.

JAK2/FLT3-IN-1 is a potent and orally active dual JAK2/FLT3 inhibitor with IC50 values of 0.7 nM, 4 nM, 26 nM and 39 nM for JAK2, FLT3, JAK1 and JAK3, respectively. JAK2/FLT3-IN-1 has anti-cancer activity.

Coumermycin A1 is a JAK2 signal activator. Coumermycin A1 inhibits DNA Gyrase which thereby inhibits cell division in bacteria.

JAK2-IN-6, a multiple-substituted aminothiazole derivative, is a potent and selective JAK2 inhibitor with an IC50 of 22.86 μg/mL. JAK2-IN-6 shows no activity against JAK1 and JAK3. JAK2-IN-6 has anti-proliferative effect against cancer cells.

ZM 449829 is a potent, selective and ATP competitive inhibitor of JAK3, with a pIC50 of 6.8. ZM 449829 will be useful pharmacological tools for the investigation of the JAK3.

SHR0302 is a potent and orally active all members of the JAK family inhibitor, particularly JAK1. The selectivity of SHR0302 for JAK1 is >10-fold for JAK2, 77-fold for JAK3, 420-fold for Tyk2. SHR0302 inhibits JAK1-STAT3 phosphorylation and induces the apoptosis of hepatic stellate cells. SHR0302 has anti-proliferative and anti-inflammatory effects.

JAK-IN-5 hydrochloride is an inhibitor of JAK extracted from patent US20170121327A1, compound example 283.

Fedratinib hydrochloride hydrate (TG-101348 hydrochloride hydrate) is a potent, selective, ATP-competitive and orally active JAK2 inhibitor with IC50s of 3 nM for both JAK2 and JAK2V617F kinase. Fedratinib hydrochloride hydrate shows 35- and 334-fold selectivity over JAK1 and JAK3, respectively. Fedratinib hydrochloride hydrate induces cancer cell apoptosis and has the potential for myeloproliferative disorders research.

(3S,4S)-Tofacitinib is the less active S-enantiomer of Tofacitinib. Tofacitinib inhibits JAK3 with IC50 of 1 nM.

JAK2-IN-7 is a selective JAK2 with IC50s of 3, 11.7, and 41 nM for JAK2, SET-2, and Ba/F3V617F cells. JAK2-IN-7 possesses >14-fold selectivity over JAK1, JAK3, FLT3. JAK2-IN-7 stimulates cell cycle arrest in the G0/G1 phase and induces tumor cellapoptosis. Antitumor activities.

TG-46 is an inhibitor of JAK2, FLT3, RET, JAK3 with IC50 values of 6nM, 25nM, 17nM, 169nM respectively.

PF-06263276 (PF06263276, PF 6263276) is a potent, selective pan JAK inhibitor with IC50 of 2.2, 23.1, 59.9 and 29.7 nM for JAK1, JAK2, JAK3, and TYK2, respectively.

Pacritinib (SB1518) is a potent and selective JAK2 (IC50 = 23 and 19 nM for JAK2WT and JAK2V617F, respectively) and FLT3 (IC(50) = 22 nM) inhibitor with selectivity against JAK1 and JAK3 (IC50= 1280 and 520 nM, respectively).

A potent, highly specific JAK3 inhibitor with IC50 of 4 nM.