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Isoforms Recommended:	JAK3

Results for "

Jak3

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Apoptosis (20) Autophagy (8) BMX Kinase (1) Btk (10) EGFR (4) FLT3 (4) GSK-3 (1) HDAC (1) Itk (1) JAK (107) JNK (2) Mitophagy (2) p38 MAPK (1) PERK (2) PKC (1) Polo-like Kinase (PLK) (1) PROTACs (1) RET (1) Small Interfering RNA (siRNA) (3) Src (1) STAT (3) Syk (5) VEGFR (1)
By Research Areas:	Cancer (68) Inflammation/Immunology (60) Metabolic Disease (1) Neurological Disease (2)

124

Inhibitors & Agonists

Screening Libraries

Peptides

Natural
Products

Recombinant Proteins

Isotope-Labeled Compounds

Antibodies

JAK3 covalent inhibitor-2	JAK Apoptosis	Inflammation/Immunology
JAK3 covalent inhibitor-2 (compound J1b) is a selective, orally potent JAK3 inhibitor (IC₅₀=7.2 nM) with low toxicity, anti-inflammatory activity and good bioavailability .

JAK3 covalent inhibitor-1	JAK	Inflammation/Immunology
JAK3 covalent inhibitor-1 is a potent and selective janus kinase 3 (JAK3) covalent inhibitor with an IC₅₀ of 11 nM and shows 246-fold selectivity vs other JAKs .

JAK3 Human Pre-designed siRNA Set A	Small Interfering RNA (siRNA)	Others
JAK3 Human Pre-designed siRNA Set A contains three designed siRNAs for JAK3 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.

Jak3 Mouse Pre-designed siRNA Set A	Small Interfering RNA (siRNA)	Others
Jak3 Mouse Pre-designed siRNA Set A contains three designed siRNAs for Jak3 gene (Mouse), as well as a negative control, a positive control, and a FAM-labeled negative control.

Jak3 Rat Pre-designed siRNA Set A	Small Interfering RNA (siRNA)	Others
Jak3 Rat Pre-designed siRNA Set A contains three designed siRNAs for Jak3 gene (Rat), as well as a negative control, a positive control, and a FAM-labeled negative control.

JANEX-1 4 Publications Verification WHI-P131; Jak3 inhibitor I	JAK	Cancer
JANEX-1 (WHI-P131) is a potent and specific *JAK3* inhibitor (estimated *K_i*=2.3 μM). JANEX-1 (WHI-P131) shows potent JAK3-inhibitory activity (IC₅₀ of 78 μM), does not inhibit JAK1 and JAK2.

JAK3-IN-9	JAK	Inflammation/Immunology
JAK3-IN-9 is an orally active *JAK3* inhibitor with IC₅₀ value of 1.7 nM. JAK3-IN-9 is highly selective to the *JAK3* signal path. JAK3-IN-9 is lowly toxic with high oral bioavailability, shows good anti-arthritis activity. JAK3-IN-9 can be used in autoimmune disease research .

JAK3/BTK-IN-2	JAK Btk	Inflammation/Immunology
JAK3/BTK-IN-2 is a potent inhibitor of *JAK3/BTK*. BTK and JAK3 are two important targets for autoimmune diseases. Simultaneous inhibition of the BTK/JAK3 signalling pathway exhibits synergistic effects. JAK3/BTK-IN-2 has the potential for the research of JAK3 kinase and/or BTK-related diseases (extracted from patent WO2021147952A1, compound 004)

JAK3/BTK-IN-5	JAK Btk	Inflammation/Immunology
JAK3/BTK-IN-5 is a potent inhibitor of *JAK3/BTK*. BTK and JAK3 are two important targets for autoimmune diseases. Simultaneous inhibition of the BTK/JAK3 signalling pathway exhibits synergistic effects. JAK3/BTK-IN-5 has the potential for the research of JAK3 kinase and/or BTK-related diseases (extracted from patent WO2021147953A1, compound 35)

JAK3/BTK-IN-1	JAK Btk	Inflammation/Immunology
JAK3/BTK-IN-1 is a potent inhibitor of *JAK3/BTK*. BTK and JAK3 are two important targets for autoimmune diseases. Simultaneous inhibition of the BTK/JAK3 signalling pathway exhibits synergistic effects. JAK3/BTK-IN-1 has the potential for the research of JAK3 kinase and/or BTK-related diseases (extracted from patent WO2021147952A1, compound 002) .

JAK3/BTK-IN-3	JAK Btk	Inflammation/Immunology
JAK3/BTK-IN-3 is a potent inhibitor of *JAK3/BTK*. BTK and JAK3 are two important targets for autoimmune diseases. Simultaneous inhibition of the BTK/JAK3 signalling pathway exhibits synergistic effects. JAK3/BTK-IN-3 has the potential for the research of JAK3 kinase and/or BTK-related diseases (extracted from patent WO2021147952A1, compound 009)

JAK3/BTK-IN-4	JAK Btk	Inflammation/Immunology
JAK3/BTK-IN-4 is a potent inhibitor of *JAK3/BTK*. BTK and JAK3 are two important targets for autoimmune diseases. Simultaneous inhibition of the BTK/JAK3 signalling pathway exhibits synergistic effects. JAK3/BTK-IN-4 has the potential for the research of JAK3 kinase and/or BTK-related diseases (extracted from patent WO2021147953A1, compound 003)

JAK3-IN-13	JNK	Cancer
JAK3-IN-13 is a potent, selective and orally active *JAK3* inhibitor with IC₅₀ values of 4728, 2039, 8, 365 nM for NK1, JNK2, JNK3, Tyk2, respectively. JAK3-IN-13 shows antiproliferative activity. JAK3-IN-13 induces cell cycle arrest at G0/G1 phase. JAK3-IN-13 shows antitumor activity .

JAK 3i	JAK	Inflammation/Immunology
JAK3i is a highly selective *JAK3* inhibitor (IC₅₀: 0.43 nM). JAK3i forms a covalent bond with a cysteine in JAK3, but not the closely related kinase domains in JAK1, JAK2, or TYK2. JAK3i abolishes IL-2-driven T-cell proliferation in vivo and has the potential for autoimmune disease research .

JAK3-IN-12	JAK	Inflammation/Immunology
JAK3-IN-12 (compound 5k) is a highly potent *JAK3* inhibitor with IC₅₀ values of 9.5 nM, 18 nM and 42 nM for JAK3, JAK1 and JAK2, respectively. JAK3-IN-12 can be used for researching rheumatoid arthritis .

JAK3-IN-1	JAK	Cancer
JAK3-IN-1 is a potent, selective and orally active *JAK3* inhibitor with an IC₅₀ of 4.8 nM. JAK3-IN-1 shows over 180-fold more selective for *JAK3* than JAK1 (IC₅₀ of 896 nM) and JAK2 (IC₅₀ of 1050 nM) .

JAK3-IN-11	JAK	Inflammation/Immunology
JAK3-IN-11 (Compound 12), a potent, noncytotoxic, irreversible, orally active *JAK3* inhibitor with IC₅₀ value of 1.7 nM, has excellent selectivity (>588-fold compared to other JAK isoforms), covalently bind to the ATP-binding pocket in JAK3. JAK3-IN-11 strongly inhibits JAK3-dependent signaling and T cell proliferation, is a promising tool for study autoimmune diseases .

JAK3-IN-14	JAK	Cancer
JAK3-IN-14 (compound 1) is a potent *JAK3* inhibitor, with IC₅₀ values of 38 and 600 nM for *JAK3* and *JAK2, respectively. JAK3-IN-14 shows inhibitory of IL-4 and IL-3 induced TF-1 cell proliferation, with IC₅₀* values of 600 and 500 nM, respectively .

JAK3-IN-6	JAK	Inflammation/Immunology
JAK3-IN-6 is a potent, selective irreversible Janus Associated Kinase 3 (JAK3) inhibitor, with an IC₅₀ of 0.15 nM.

JAK3/BTK-IN-6	Btk JAK	Inflammation/Immunology
JAK3/BTK-IN-6 (compound 14h) is a potent BTK and *JAK3* dual inhibitor, with IC₅₀ values of 0.6 and 0.4 nM, respectively. JAK3/BTK-IN-6 shows good metabolic stability in human liver microsome. JAK3/BTK-IN-6 can be used for hematological and immune diseases research .

JAK3/BTK-IN-7	JAK Btk	Inflammation/Immunology
JAK3/BTK-IN-7 (XL-12) is a *JAK3/BTK* inhibitor with IC₅₀ values of 2 nM and 14 nM, respectively. JAK3/BTK-IN-7 has anti-inflammatory activity and can be used in the study of rheumatoid arthritis .

JAK3-IN-7	JAK	Cancer
JAK3-IN-7 is a potent and selective *JAK3* inhibitor extracted from patent WO2011013785A1, has an IC₅₀ of <0.01 μM.

FM-479	JAK	Inflammation/Immunology
FM-479 is the negative control of FM-381 (HY-102046) and has no activity on JAK3 or other kinases . FM-381 is a potent covalent reversible inhibitor of JAK3* targeting* the unique Cys909. FM-381 has an IC₅₀ of 127 pM for JAK3, with 410, 2700 and 3600-fold selectivity over JAK1, JAK2 and TYK2, respectively.

Ritlecitinib (malonate) PF-06651600 (malonate)	JAK	Inflammation/Immunology
Ritlecitinib (PF-06651600) malonate is an orally active and selective *JAK3* inhibitor with an IC₅₀ of 33.1 nM. Ritlecitinib (malonate) can be used for the research of inflammatory and autoimmune diseases .

Antitumor agent-123	JAK HDAC	Cancer
Antitumor agent-123 (Copmound 4d) effectively inhibits multiple kinase targets with anti-cancer effects, including *JAK2, JAK3, HDAC1* and HDAC6, with IC₅₀ values of 34.6 and 2.6 μM for JAK2 and JAK3, respectively. Antitumor agent-123 exhibits moderate activity in solid tumor models .

Decernotinib 3 Publications Verification VX-509; VRT-831509	JAK	Inflammation/Immunology
Decernotinib is a potent, orally active *JAK3* inhibitor, with K_is of 2.5, 11, 13 and 11 nM for *JAK3, JAK1, JAK*2, and TYK2, respectively.

JAK2-IN-4	JAK	Cancer
JAK2-IN-4 (compound 16h) is a selective *JAK2/JAK3* inhibitor, with IC₅₀ values of 0.7 nM and 23.2 nM for JAK2 and JAK3, respectively .

MS-1020	JAK	Cancer
MS-1020 is a potent and ATP-competitive *JAK3* inhibitor. MS-1020 inhibits JAK3/STAT signaling and induces apoptosis. MS-1020 promotes cell death. MS-1020 decreases the expression of tyrosine phosphorylated STAT3 levels. MS-1020 has the potential for the research of cancers harboring aberrant JAK3 signaling .

TUL01101	JAK	Inflammation/Immunology
TUL01101 is a potent, selective and orally active *JAK1* inhibitor, with an IC₅₀s of 3, 37, 1517 and 36 nM for JAK1, JAK2, JAK3, and TYK2, respectively. TUL01101 can be used for the research of rheumatoid arthritis .

PF-00956980	JAK	Inflammation/Immunology
PF-00956980 is a reversible pan-JAK inhibitor with IC₅₀ values of 2.2, 23.1 and 59.9 μM for JAK1, JAK2 and JAK3, respectively. PF-00956980 can be used in the research of lung and skin inflammatory diseases .

BD750 2 Publications Verification	JAK STAT	Inflammation/Immunology Cancer
BD750, an effective immunosuppressant and a *JAK3/STAT5* inhibitor, inhibits IL-2-induced JAK3/STAT5-dependent T cell proliferation, with IC₅₀ values of 1.5 μM and 1.1 μM in mouse and human T cells, respectively .

Ilginatinib NS-018	JAK	Cancer
Ilginatinib (NS-018) is a highly active and orally bioavailable *JAK2* inhibitor, with an IC₅₀ of 0.72 nM, 46-, 54-, and 31-fold selectivity for JAK2 over JAK1 (IC₅₀, 33 nM), JAK3 (IC₅₀, 39 nM), and Tyk2 (IC₅₀, 22 nM).

Ilginatinib hydrochloride NS-018 hydrochloride	JAK	Cancer
Ilginatinib hydrochloride (NS-018 hydrochloride) is a highly active and orally bioavailable *JAK2* inhibitor, with an IC₅₀ of 0.72 nM, 46-, 54-, and 31-fold selectivity for JAK2 over JAK1 (IC₅₀, 33 nM), JAK3 (IC₅₀, 39 nM), and Tyk2 (IC₅₀, 22 nM).

Ilginatinib maleate NS-018 maleate	JAK	Cancer
Ilginatinib maleate (NS-018 maleate) is a highly active and orally bioavailable *JAK2* inhibitor, with an IC₅₀ of 0.72 nM, 46-, 54-, and 31-fold selectivity for JAK2 over JAK1 (IC₅₀, 33 nM), JAK3 (IC₅₀, 39 nM), and Tyk2 (IC₅₀, 22 nM).

2,6-Dichloro-N-(2-(cyclopropanecarboxamido)pyridin-4-yl)benzamide	JAK	Inflammation/Immunology
GDC-046 is a potent, selective, and orally bioavailable TYK2 inhibitor with K_is of 4.8, 0.7, 0.7, and 0.4 nM for TYK2, JAK1, JAK2, and JAK3, respectively .

WHI-P258	JNK	Cancer
WHI-P258, a quinazoline compound, binds to the active site of *JAK3* with an estimated K_i of 72 µM. WHI-P258 does not inhibit JAK3 and does not affect the thrombin-induced aggregation of platelets even at 100 μM .

FM-381 1 Publications Verification	JAK	Inflammation/Immunology
FM-381 is a potent covalent reversible inhibitor of *JAK3* targeting the unique Cys909. FM-381 has an IC₅₀ of 127 pM for JAK3, with 410, 2700 and 3600-fold selectivity over JAK1, JAK2 and TYK2, respectively.

WHI-P97 2 Publications Verification	JAK	Inflammation/Immunology
WHI-P97 is a potent and selective *JAK-3* inhibitor. WHI-P97 is effective in preventing the development allergic asthma in vivo .

Ritlecitinib 5 Publications Verification PF-06651600	JAK	Inflammation/Immunology
Ritlecitinib (PF-06651600) is an orally active and selective *JAK3* inhibitor with an IC₅₀ of 33.1 nM .

SJ10542	PROTACs JAK	Inflammation/Immunology Cancer
SJ10542 is a potent and selective *JAK2/3* directing phenyl glutarimide (PG)-PROTAC with DC₅₀s of 14, 11, and 24 nM for JAK2, JAK3, and JAK2-fusion ALL, respectively. SJ10542 utilizes a PG ligand as the cereblon (CRBN) recruiter .

Ruxolitinib sulfate INCB018424 sulfate	JAK Autophagy	Cancer
Ruxolitinib sulfate (INCB018424 sulfate) is the first potent, selective *JAK1/2* inhibitor to enter the clinic with IC₅₀s of 3.3 nM/2.8 nM, and has > 130-fold selectivity for JAK1/2 versus JAK3.

NVP-BSK805 dihydrochloride 1 Publications Verification	JAK	Cancer
NVP-BSK805 dihydrochloride is an ATP-competitive *JAK2* inhibitor, with IC₅₀s of 0.48 nM, 31.63 nM, 18.68 nM, and 10.76 nM for JAK2 JH1 (JAK homology 1), JAK1 JH1, JAK3 JH1, and TYK2 JH1, respectively .

NVP-BSK805 trihydrochloride	JAK	Cancer
NVP-BSK805 trihydrochloride trihydrochloride is an ATP-competitive *JAK2* inhibitor, with IC₅₀s of 0.48 nM, 31.63 nM, 18.68 nM, and 10.76 nM for JAK2 JH1 (JAK homology 1), JAK1 JH1, JAK3 JH1, and TYK2 JH1, respectively .

NVP-BSK805 1 Publications Verification	JAK	Cancer
NVP-BSK805 is an ATP-competitive *JAK2* inhibitor, with IC₅₀s of 0.48 nM, 31.63 nM, 18.68 nM, and 10.76 nM for JAK2 JH1 (JAK homology 1), JAK1 JH1, JAK3 JH1, and TYK2 JH1, respectively .

Tofacitinib 45+ Cited Publications Tasocitinib; CP-690550	JAK Apoptosis	Inflammation/Immunology Cancer
Tofacitinib is an orally available *JAK3/2/1* inhibitor with IC₅₀s of 1, 20, and 112 nM, respectively.

(3S,4R)-Tofacitinib	JAK	Inflammation/Immunology
(3S,4R)-Tofacitinib is an less active enantiomer of Tofacitinib. Tofacitinib inhibits *JAK3* with IC₅₀ of 1 nM.

Cat. No.	Product Name

HY-L008

JAK/STAT Compound Library

423 compounds

The Janus kinase (JAK)/signal transducer and activator of transcription (STAT) pathway is central to signaling by cytokine receptors, a superfamily of more than 30 transmembrane proteins that recognize specific cytokines, and is critical in blood formation and immune response. Canonical JAK/STAT signaling begins with the association of cytokines and their corresponding transmembrane receptors. Activated JAKs then phosphorylate latent STAT monomers, leading to dimerization, nuclear translocation, and DNA binding. In mammals, there are four JAKs (JAK1, JAK2, JAK3, TYK2) and seven STATs (STAT1, STAT2, STAT3, STAT4, STAT5a, STAT5b, STAT6). Since the JAK/STAT pathway plays a major role in many fundamental processes, such as apoptosis and inflammation, dysfunctional proteins in the pathway may lead to a number of diseases. For example, alterations in JAK/STAT signalling can result in cancer and diseases affecting the immune system, such as severe combined immunodeficiency disorder (SCID).

MCE provides 423 compounds that can be used in the study of the JAK/STAT signaling pathway and related diseases.

Cat. No.	Product Name	Target	Research Area

HY-P5434

Jak3tide Jak3 Peptide substrate	Peptides	Others
Jak3tide (JAK3 Peptide substrate) is a biological active peptide. (This peptide is a substrate for Jak3. It may be used used in kinase assays. Jak3tide contains the phosphorylation site at Tyr7.)

Cat. No.	Compare	Product Name	Species	Source

HY-P702721

	JAK3 Protein, Human (sf9, GST) Jak3; Janus kinase 3; tyrosine-protein kinase Jak3; Jak 3; Jak3_HUMAN; JakL; L Jak; leukocyte Janus kinase; LJak; tyrosine protein kinase Jak3; Janus kinase 3 (a protein tyrosine kinase, leukocyte); Jak-3; L-Jak	Human	Sf9 insect cells

Cat. No.	Product Name	Application	Reactivity

HY-P82721

JAK3 Antibody (YA2466)

Jak3; Tyrosine-protein kinase Jak3; Janus kinase 3; Jak-3; Leukocyte janus kinase; L-Jak
WB, ICC/IF Human

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