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| JAK3 Inhibitor Basic information |
| Product Name: | JAK3 Inhibitor | | Synonyms: | JAK3 Inhibitor;2-Bromo-4-[(6,7-dimethoxy-4-quinazolinyl)amino]phenol;Phenol, 2-bromo-4-[(6,7-dimethoxy-4-quinazolinyl)amino]-;4-(3'-Bromo-4'-hydroxyphenyl)amino-6,7-dimethoxyquinazoline WHI-P 154;2-Bromo-4-((6,7-dimethoxyquinazolin-4-yl)amino)phenol;JAK3 Inhibitor II - CAS 211555-04-3 - Calbiochem;CS-1516;whi-p154cas | | CAS: | 211555-04-3 | | MF: | C16H14BrN3O3 | | MW: | 376.2 | | EINECS: | 809-014-9 | | Product Categories: | Inhibitors;Inhibitor;JAK/STAT;JAK;STAT | | Mol File: | 211555-04-3.mol |
| JAK3 Inhibitor Chemical Properties |
| Melting point | 230 °C | | Boiling point | 470.3±45.0 °C(Predicted) | | density | 1.576±0.06 g/cm3(Predicted) | | storage temp. | -20°C | | solubility | DMSO: soluble1mg/mL, clear (warmed) | | pka | 8.57±0.31(Predicted) | | form | powder | | color | white to brown | | InChIKey | CBIAKDAYHRWZCU-UHFFFAOYSA-N | | CAS DataBase Reference | 211555-04-3 |
| Hazard Codes | Xn | | Risk Statements | 22-36/37/38 | | Safety Statements | 26 | | RIDADR | UN 2811 6.1 / PGIII | | WGK Germany | 3 |
| JAK3 Inhibitor Usage And Synthesis |
| Description | WHI-P154 is a quinazoline derivative that exhibits immunosuppressive effects by selectively inhibiting JAK3 (IC50 = 1.8 μM versus IC50s > 10 μM for JAK1 and JAK2). It has been reported to inhibit additional kinases including EGFR (IC50 = 4 nM) and VEGFR as well as the non-receptor tyrosine kinases, Abl, Lck, and Src. WHI-P154 is cytotoxic to human glioblastoma cells (IC50 = 813 nM) and has been used to induce the differentiation of neuronal precursor cells. | | Uses | WHI-P154 is a potent JAK3 inhibitor with IC50 of 1.8 μM and also inhibits EGFR with IC50 of 4 nM. | | Uses | WHI-P154 can act as antileukemic agent with apoptosis inducing activity. | | Biochem/physiol Actions | WHI-P154 is a specific inhibitor of JAK3 (IC50 = 1.8 μM) with no inhibitory activity against JAK1 or JAK2. WHI-P154 enhances myogenic differentiation of C2C12 mouse myoblast cells, and induces differentiation of neural progenitor cells. The compound WHI-P154 dose dependently inhibits expression of iNOS and NO production in LPS-challenged macrophages. | | in vitro | kinase assays show that whi-p154 is not a specific inhibitor. besides jak3, it also inhibits many other kinases, including egfr, abl, lck, src and vegfr. whi-p154 inhibits egfr with ic50 value of 4nm. the specificity of whi-p154 has not been shown in cell-based assays either [1]. | | references | [1] changelian ps, moshinsky d, kuhn cf, flanagan me, munchhof mj, harris tm, whipple da, doty jl, sun j, kent cr, magnuson ks, perregaux dg, sawyer ps, kudlacz em. the specificity of jak3 kinase inhibitors. blood. 2008 feb 15;111(4):2155-7. [2] narla rk, liu xp, myers de, uckun fm. 4-(3'-bromo-4'hydroxylphenyl)-amino-6,7-dimethoxyquinazoline: a novel quinazoline derivative with potent cytotoxic activity against human glioblastoma cells. clin cancer res. 1998 jun;4(6):1405-14. |
| JAK3 Inhibitor Preparation Products And Raw materials |
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