STAT3 Selective Inhibitors | Activators

Catalog No.	Product Name	Information	Selective / Pan	IC50 / Ki
S8561	HJC0152	HJC0152 is a signal transducer and activator of transcription 3 (STAT3) inhibitor with remarkably improved aqueous solubility.	Selective
S8152	Cucurbitacin I	Cucurbitacin-I (Elatericin B, JSI 124, NSC 521777), a natural cell-permeable triterpenoid isolated from Cucurbitaceae, is a novel selective inhibitor of JAK2/STAT3.	Selective
S0949	Cucurbitacin IIb	Cucurbitacin IIb (CuIIb, Dihydrocucurbitacin F, 25-deacetyl hemslecin A) inhibits phosphorylation of STAT3, JNK and Erk1/2, enhances the phosphorylation of IκB and NF-κB, blocks nuclear translocation of NF-κB and decreases mRNA levels of IκBα and TNF-α. Cucurbitacin IIb exhibits anti-inflammatory activity and induces apoptosis. Cucurbitacin IIb is isolated from Hemsleya amabilis.	Selective
S8197	APTSTAT3-9R	APTSTAT3-9R is a specific STAT3-binding peptide with addition of a cell-penetrating motif. The treatment of APTSTAT3-9R in various types of cancer cells blocks STAT3 phosphorylation and reduces expression of STAT targets.	Selective
S0986	SC-1	SC-1 (1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-(4-(4-cyanophenoxy)phenyl)urea, STAT3-IN-7), a Sorafenib analogue and potently inhibits the phosphorylation of STAT3, induces cell apoptosis through SHP-1 dependent STAT3 inactivation.	Selective
S1349	SC99	SC99 is an orally active, selective STAT3 inhibitor targeting JAK2-STAT3 pathway by docking into the ATP-binding pocket of JAK2, also inhibits phosphorylation of JAK2and STAT3 with no effects on the other kinases associated with STAT3 signaling.	Selective
S6919	Brevilin A	Brevilin A (6-O-Angeloylplenolina), a sesquiterpene lactone isolated from Centipeda minima, is a selective inhibitor of STAT3 and attenuates the JAKs activity by blocking the JAKs tyrosine kinase domain JH1. Brevilin A induces apoptosis and autophagy of colon adenocarcinoma cell CT26 via mitochondrial pathway and PI3K/AKT/mTOR inactivation.	Selective
S3810	Scutellarin	Scutellarin (Breviscapine, Breviscapin, Scutellarein-7-glucuronide), the major active principal flavonoids extracted from the Chinese herbal medicines Scutellaria baicalensis and Erigeron breviscapus (Vant.) Hand-Mazz, has many pharmacological effects, such as antioxidant, antitumor, antiviral, and antiinflammatory activities. Scutellarin can down-regulates the STAT3/Girdin/Akt signaling in HCC cells, and inhibits RANKL-mediated MAPK and NF-κB signaling pathway in osteoclast	Selective
S9920	GYY4137	GYY4137 is a novel, water-soluble hydrogen sulfide (H2S)–releasing molecule with vasodilator and antihypertensive activity. GYY4137 shows potent anti-hepatocellular carcinoma activity through blocking the STAT3 pathway. GYY4137 also shows anti-inflammatory activity.	Selective
S7923	SH5-07 (SH-5-07)	SH5-07 is a robust hydroxamic acid-based STAT3 inhibitor, which induce antitumor cell effects in vitro and antitumor response in vivo against human glioma and breast cancer models.	Selective
S8605	C188-9	C188-9 (TTI 101) is a potent inhibitor of STAT3 that binds to STAT3 with high affinity (KD=4.7±0.4 nM). C188-9 is well tolerated in mice, shows good oral bioavailability, and is concentrated in tumors.	Selective	STAT3, Kd: 4.7 nM
S7769	BP-1-102	BP-1-102 is a potent, orally bioavailable and selective STAT3 inhibitor, binds Stat3 with an affinity Kd of 504 nM and blocks Stat3-phospho-tyrosine (pTyr) peptide interactions and Stat3 activation at 4-6.8 μM.	Selective	STAT3, Kd: 504 nM
S3030	Niclosamide	Niclosamide can inhibit DNA replication and inhibit STAT3 with IC50 of 0.7 μM in a cell-free assay. Niclosamide selectively inhibited the phosphorylation of STAT3 and had no obvious inhibition against the activation of other homologues (e.g., STAT1 and STAT5).	Selective	STAT3, IC50: 0.7 μM
S0818	STAT3-IN-1	STAT3-IN-1 (compound 7d) is an excellent, selective and orally active inhibitor of STAT3 with IC50 of 1.82 μM and 2.14 μM in HT29 and MDA-MB 231 cells, respectively. STAT3-IN-1 induces apoptosis of tumor cells.	Selective	STAT3, IC50: 1.82 μM; STAT3, IC50: 2.14 μM
S2796	WP1066	WP1066 is a novel inhibitor of JAK2 and STAT3 with IC50 of 2.30 μM and 2.43 μM in HEL cells; shows activity to JAK2, STAT3, STAT5, and ERK1/2 not JAK1 and JAK3. WP1066 induces apoptosis. Phase 1.	Selective	STAT3, IC50: 2.43 μM
S2285	Cryptotanshinone (Tanshinone C)	Cryptotanshinone (Tanshinone C) is a STAT3 inhibitor with IC50 of 4.6 μM in a cell-free assay, strongly inhibits phosphorylation of STAT3 Tyr705, with a small effect on STAT3 Ser727, but none against STAT1 nor STAT5. Cryptotanshinone induces ROS-dependent autophagy and mitochondria-mediated apoptosis.	Selective	STAT3, IC50: 4.6 μM
S7024	Stattic	Stattic, the first nonpeptidic small molecule, potently inhibits STAT3 activation and nuclear translocation with IC50 of 5.1 μM in cell-free assays, highly selectivity over STAT1. Stattic induces apoptosis.	Selective	STAT3, IC50: 5.1 μM
S0456	inS3-54-A18	inS3-54A18 is a potent inhibitor of STAT3 with anti-cancer properties.	Selective	STAT3, IC50: 10000 nM
S1396	Resveratrol	Resveratrol has a wide spectrum of targets including cyclooxygenases(i.e. COX, IC50=1.1 μM), lipooxygenases（LOX, IC50=2.7 μM）, kinases, sirtuins and other proteins. It has anti-cancer, anti-inflammatory, blood-sugar-lowering and other beneficial cardiovascular effects. Resveratrol induces mitophagy/autophagy and autophagy-dependent apoptosis.	Selective	STAT3, IC50: 20 μM
S0915	Morusin	Morusin (Mulberrochromene) is an inhibitor of NF-κB and STAT3. Morusin is a prenylated flavonoid isolated from Marsdenia australis with antitumor, antioxidant, and anti-bacteria properties.	Selective	STAT3, IC50: 22 μM
S1155	NSC 74859 (S3I-201)	NSC 74859 (S3I-201) shows potent inhibition of STAT3 DNA-binding activity with IC50 of 86 μM in cell-free assays, and low activity towards STAT1 and STAT5.	Selective	STAT3, IC50: 86 μM
S3267	Kaempferol-3-O-rutinoside	Kaempferol-3-O-rutinoside (Nicotiflorin, Nikotoflorin, Kaempferol 3-O-β-rutinoside), a flavonoid extracted from Carthamus tinctorius, alters the shape and structure of injured neurons, decreases the number of apoptotic cells, down-regulates expression of p-JAK2, p-STAT3, caspase-3, and Bax and decreases Bax immunoredactivity, and increases Bcl-2 protein expression and immunoreactivity.	Selective
S7951	Ochromycinone (STA-21)	Ochromycinone (STA-21) is a selective STAT3 inhibitor.	Selective
S9664	Colivelin	Colivelin (CLN) is a brain-penetrant neuroprotective peptide with potent long-term capacity against Aβ deposition, neuronal apoptosis, and synaptic plasticity deficits in neurodegenerative disease. Colivelin is an activator of STAT3.	Selective
S0918	Ginkgolic acid C17:1	Ginkgolic acid C17:1 (GAC 17:1) inhibits constitutive activation of STAT3 through the abrogation of upstream JAK2 and Src. Ginkgolic acid C17:1 can induce the substantial expression of PTEN and SHP-1. Ginkgolic acid C17:1 induces apoptosis of tumor cells.	Selective
S7501	HO-3867	HO-3867, an analog of curcumin, is a selective STAT3 inhibitor that inhibits its phosphorylation, transcription, and DNA binding without affecting the expression of other active STATs. HO-3867 induces apoptosis.	Selective
S7977	Napabucasin (BBI608)	Napabucasin (BBI608) is an orally available Stat3 and cancer cell stemness inhibitor.	Selective
S2265	Artesunate (WR-256283)	Artesunate (WR-256283) is a part of the artemisinin group of agents with an IC50 of < 5 μM for small cell lung carcinoma cell line H69. It is a potential inhibitor of STAT-3 and exhibits selective cytotoxicity of cancer cells over normal cells in vitro; A potent inhibitor of EXP1.	Selective
S1014	Bosutinib	Bosutinib is a novel, dual Src/Abl inhibitor with IC50 of 1.2 nM and 1 nM in cell-free assays, respectively. Bosutinib also effectively decreases the activity of PI3K/AKT/mTOR, MAPK/ERK and JAK/STAT3 signaling pathways by blocking the phosphorylation levels of p-ERK, p-S6, and p-STAT3. Bosutinib promotes autophagy.	Selective
S2824	TPCA-1	TPCA-1 (GW683965) is an inhibitor of IKK-2 with IC50 of 17.9 nM in a cell-free assay, inhibits NF-κB pathway, exhibits 22-fold selectivity over IKK-1. TPCA-1 is also an inhibitor of STAT3 and enhances apoptosis.	Selective
S0445	SC-43	SC-43, a sorafenib derivative, is an agonist of Src-homology protein tyrosine phosphatase-1 (SHP-1/PTPN6) and reduces liver fibrosis. SC-43 reduces p-STAT3 and induces apoptosis with anti-tumor activity.	Selective
S4358	Pimozide	Pimozide (Orap, R6238) is an antagonist of Dopamine Receptors with Ki of 0.83 nM, 3.0 nM and 6600 nM for dopamine D3, D2 and D1 receptors, respectively. Pimozide also exhibits binding affinity at 5-HT1A and α1-adrenoceptor with Ki of 310 nM and 39 nM, respectively. Pimozide is an antipsychotic drug with anti-tumor activity and suppresses STAT3 and STAT5 activity.	Pan
S7337	SH-4-54	SH-4-54 is a potent STAT inhibitor with K_D of 300 nM and 464 nM for STAT3 and STAT5, respectively.	Pan	STAT3, Kd: 300 nM
S4182	Nifuroxazide	Nifuroxazide is a cell-permeable and orally available nitrofuran-based antidiarrheal agent that effectively suppresses the activation of cellular STAT1/3/5 transcription activity with IC50 of 3 μM against IL-6-induced STAT3 activation in U3A cells.	Pan