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CobimetinibSelective MEK inhibitor

Cobimetinib

Catalog No. A3321
Size Price Stock Qty
10mM (in 1mL DMSO) $210.00 In stock
5mg $140.00 In stock
10mg $210.00 In stock
25mg $420.00 In stock
50mg $630.00 In stock

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Sample solution is provided at 25 µL, 10mM.

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Chemical structure

Cobimetinib

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Chemical Properties

Cas No. 934660-93-2 SDF Download SDF
Synonyms GDC-0973;XL-518;GDC 0973;XL 518;GDC0973;XL518
Chemical Name [3,4-difluoro-2-(2-fluoro-4-iodoanilino)phenyl]-[3-hydroxy-3-[(2S)-piperidin-2-yl]azetidin-1-yl]methanone
Canonical SMILES C1CCNC(C1)C2(CN(C2)C(=O)C3=C(C(=C(C=C3)F)F)NC4=C(C=C(C=C4)I)F)O
Formula C21H21F3IN3O2 M.Wt 531.31
Solubility >26.6mg/mL in DMSO Storage Store at -20°C
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Background

Cobimetinib is a selective inhibitor of mitogen-activated protein kinase kinase (MEK) with IC50 value of 0.9 nM [1].
MEK is a kinase enzyme which selectively phosphorylates Ser/Thr and Tyr residues and involved in the mitogen-activated protein kinase (MAPK) signaling pathways that play an important role in regulation of cell proliferation, survival, differentiation, motility and angiogenesis [2].
In a KRAS G13D and B-RAF G464V mutant MDA-MB-231T breast adenocarcinoma cells, Cobimetinib inhibited MEK with IC50 value of 0.2 nM [1]. In pharmacokinetic-pharmacodynamic (PK-PD) model, Cobimetinib showed a sustained tumor pharmacodynamic response due to longer residence in tumor than in plasma [3].
In WM-266-4 xenograft mice, Cobimetinib decreased %pERK in tumor with IC50 values of 0.78 (WM-266-4) and 0.52 mM. Also, Cobimetinib (3.89 mM) increased IC50 value in WM-266-4 mice. In A375 xenograft mice, Cobimetinib (0.3-30 mg/kg) showed antitumor efficacy in a dose-dependent way. Cobimetinib is currently in phase I clinical trials as a potential antitumor agent [3].
References:
[1]. Rice KD, Aay N, Anand NK, et al. Novel Carboxamide-Based Allosteric MEK Inhibitors: Discovery and Optimization Efforts toward XL518 (GDC-0973). ACS Med Chem Lett, 2012, 3(5): 416-421.
[2]. Akinleye A, Furqan M, Mukhi N, et al. MEK and the inhibitors: from bench to bedside. J Hematol Oncol, 2013, 6: 27.
[3]. Wong H, Vernillet L, Peterson A, et al. Bridging the gap between preclinical and clinical studies using pharmacokinetic-pharmacodynamic modeling: an analysis of GDC-0973, a MEK inhibitor. Clin Cancer Res, 2012, 18(11): 3090-3099.