A multi-kinase inhibitor 1 mg


≥98% pure A multi-kinase inhibitor 1 mg



Mifepristone-d3 is intended for use as an internal standard for the quantification of mifepristone (Item No. 10006317) by GC- or LC-MS. Mifepristone is an antagonist of glucocorticoid, progesterone, and androgen receptors (Kis = 0.1, 0.64, and 0.65 nM, respectively).1,2,3 It is selective for these receptors over the mineralocorticoid receptor (MR), estrogen receptor α (ERα), and ERβ (Kis = 640, >200, and >750 nM, respectively).1 In cell-based assays, mifepristone inhibits alkaline phosphatase activity stimulated by the progesterone receptor agonist R5020 as well as reporter transcription stimulated by either dexamethasone (Item No. 11015) or R5020 (IC50s = 7, 5.9, and 1.3 nM, respectively).3 It also inhibits synthetic androgen R1881-stimulated reporter transcription in a concentration-dependent manner.2 Mifepristone (10 µM) inhibits growth of 4-OHT-resistant MCF-7 breast cancer cells in vitro.4 It also inhibits tumor growth in an SKOV3 ovarian cancer nude mouse xenograft model when administered at doses of 0.5 or 1 mg per day.5 Formulations containing mifepristone have been used for the induction of medical abortions.WARNING This product is not for human or veterinary use.


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