Description
Cas:211555-04-3
Product Information:
WHI-P154 is a JAK3 inhibitor with IC50 = 1.8 microM. WHI-P154 displays no activity at JAK1 or JAK2. WHI-P154 also Inhibits STAT1 activation, iNOS expression and NO production in macrophages in vitro . Also inhibits other common kinases including EGFR (IC50 = 4 nM), Src, Abl, VEGFR, MAPK and PI 3-K and induces apoptosis in human glioblastoma cell lines (IC50 = 158 microM).
Chemical Formula: C16H14BrN3O3
Exact Mass: 375.02185
Molecular Weight: 376.2
Elemental Analysis: C, 51.08; H, 3.75; Br, 21.24; N, 11.17; O, 12.76
Synonym:
WHIP154
WHI P154
WHIP 154
Janex1
Chemical Name:
2-Bromo-4-[(6,7-dimethoxy-4-quinazolinyl)amino]phenol
InChi Key:
CBIAKDAYHRWZCU-UHFFFAOYSA-N
InChi Code: InChI=1S/C16H14BrN3O3/c1-22-14-6-10-12(7-15(14)23-2)18-8-19-16(10)20-9-3-4-13(21)11(17)5-9/h3-8,21H,1-2H3,(H,18,19,20)
Smiles Code:
OC1=CC=C(NC2=C3C=C(OC)C(OC)=CC3=NC=N2)C=C1Br
Technical Data:
Appearance: White to grey solid powder
Purity: >98% (or refer to the Certificate of Analysis)
Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility: Soluble in DMSO, not in water
Shelf Life: >2 years if stored properly
Drug Formulation: This drug may be formulated in DMSO
Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code: 2934.99.9001
In Vitro:
WHI-P154 is a potent EGFR inhibitor, and also modestly blocks JAK3, with IC50s of 4 nM and 1.8 μM, respectively[1]. WHI-P154 significantly enhances the sensitivity of ABCG2-overexpressing cells to its substrates. WHI-P154 (4 μM) moderately sensitizes ABCB1-overexpressing KB-C2 cells to its substrates whereas shows no sensitizing effect on ABCC1-, ABCC2 or ABCC10-mediated drug resistance. Moreover, WHI-P154 (4 μM) causes a significant increase in the intracellular accumulation of [3H]-mitoxantrone in ABCG2-overexpressing cells. WHI-P154 alters the expression levels rather than the localization of the ABCG2 protein in ABCG2-overexpressing cells.
References:
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Zhang H, Zhang YK, Wang YJ, Kathawala RJ, Patel A, Zhu H, Sodani K, Talele TT, Ambudkar SV, Chen ZS, Fu LW. WHI-P154 Enhances the Chemotherapeutic Effect of Anticancer Agents in ABCG2-overexpressing Cells. Cancer Sci. 2014 Jun 5. doi: 10.1111/cas.12462. [Epub ahead of print] PubMed PMID: 24903205.
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Richards GR, Smith AJ, Cuddon P, Ma QP, Leveridge M, Kerby J, Roderick HL, Bootman MD, Simpson PB. The JAK3 inhibitor WHI-P154 prevents PDGF-evoked process outgrowth in human neural precursor cells. J Neurochem. 2006 Apr;97(1):201-10. Epub 2006 Mar 3. PubMed PMID: 16515549.
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Linwong W, Hirasawa N, Aoyama S, Hamada H, Saito T, Ohuchi K. Inhibition of the antigen-induced activation of rodent mast cells by putative Janus kinase 3 inhibitors WHI-P131 and WHI-P154 in a Janus kinase 3-independent manner. Br J Pharmacol. 2005 Jul;145(6):818-28. PubMed PMID: 15852029; PubMed Central PMCID: PMC1576194.
Products are for research use only. Not for human use.
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