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KT-333
🥰Excellent
Catalog No. T88358Cas No. 2502186-79-8
Alias KT333
KT-333 is a potent, highly selective, heterobifunctional small molecule degrader of STAT3 for the treatment of a variety of STAT3-dependent pathologies, including hematologic malignancies and solid tumors.KT-333 specifically binds to STAT3 proteins at one end of the spectrum, and binds to the E3 ubiquitin ligase, VHL, at the other end.
KT-333
🥰Excellent
Catalog No. T88358Alias KT333Cas No. 2502186-79-8
KT-333 is a potent, highly selective, heterobifunctional small molecule degrader of STAT3 for the treatment of a variety of STAT3-dependent pathologies, including hematologic malignancies and solid tumors.KT-333 specifically binds to STAT3 proteins at one end of the spectrum, and binds to the E3 ubiquitin ligase, VHL, at the other end.
| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 1 mg | $413 | In Stock | |
| 5 mg | $987 | In Stock | |
| 10 mg | $1,680 | In Stock | |
| 25 mg | $2,520 | In Stock | |
| 50 mg | $3,380 | In Stock |
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Product Introduction
Bioactivity
Chemical Properties
| Description | KT-333 is a potent, highly selective, heterobifunctional small molecule degrader of STAT3 for the treatment of a variety of STAT3-dependent pathologies, including hematologic malignancies and solid tumors.KT-333 specifically binds to STAT3 proteins at one end of the spectrum, and binds to the E3 ubiquitin ligase, VHL, at the other end. |
| In vitro | KT-333 is a PROTAC targeting STAT3 with a VHL-dependent mechanism that is in Phase 1a/1b trials for the treatment of multiple diseases, including R/R B-cell and T-cell lymphomas, classical Hodgkin lymphoma (cHL), solid tumors (ST), and large granular lymphocytic leukemia/T-cell prolymphocytic leukemia (LGL-L/T-PLL).[1] |
| In vivo | KT-333 ammonium, administered intravenously at doses of 5, 10, 15, and 45 mg/kg once a week for two weeks, exhibited dose-dependent antitumor activity. Mice receiving 5 mg/kg achieved 79.9% tumor growth inhibition (TGI), while complete tumor regression was observed in those given 10, 15, or 45 mg/kg, with effects lasting until the end of the study [1]. Similarly, KT-333 ammonium at 10, 20, and 30 mg/kg showed dose-dependent antitumor effects over the same administration schedule. Mice treated with 10 mg/kg exhibited 83.8% TGI, and complete tumor regression was seen at 20 or 30 mg/kg, with sustained effects [1]. |
| Alias | KT333 |
| Molecular Weight | 1257.78 |
| Formula | C60H74ClN10O14PS |
| Cas No. | 2502186-79-8 |
| Smiles | C(N[C@H](COC1=C(Cl)C(CCCC(N[C@H](C(=O)N2[C@H](C(N[C@@H](C)C3=CC=C(C=C3)C4=C(C)N=CS4)=O)C[C@@H](O)C2)C(C)(C)C)=O)=CC=C1)CCC(N)=O)(=O)[C@H]5N6[C@](CC5)(CCN(C(C)=O)C[C@H](NC(=O)C7=CC=8C(N7)=CC=C(C(P(=O)(O)O)=O)C8)C6=O)[H] |
Storage & Solubility Information
| Storage | store at low temperature | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
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In Vivo Formulation Calculator (Clear solution)
Please enter your animal experiment information in the following box and click Calculate to obtain the mother liquor preparation method and in vivo formula preparation method:
For example, your dosage is 10 mg/kg Each animal weighs 20 g, and the dosage volume is 100 μL . A total of 10 animals were administered, and the formula you used is 5% 
DMSO+30% PEG300+5% Tween 80+60% ddH2O. So your working solution concentration is 2 mg/mL。Mother liquor preparation method: 2 mg of drug dissolved in 50 μL DMSO (mother liquor concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.
(mother liquor concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.Preparation method for in vivo formula: Take 50 μL DMSO main solution, add 300 μLPEG300 mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLddH2O mix well and clarify
main solution, add 300 μLPEG300 mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLddH2O mix well and clarifyFor Reference Only. Please develop an appropriate dissolution method based on your laboratory animals and route of administration.
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