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1037624-75-1

1037624-75-1 structure
1037624-75-1 structure
  • Name: Bemcentinib (R428)
  • Chemical Name: 1-(6,7-dihydro-5H-benzo[2,3]cyclohepta[2,4-d]pyridazin-3-yl)-3-N-[(7S)-7-pyrrolidin-1-yl-6,7,8,9-tetrahydro-5H-benzo[7]annulen-3-yl]-1,2,4-triazole-3,5-diamine
  • CAS Number: 1037624-75-1
  • Molecular Formula: C30H34N8
  • Molecular Weight: 506.645
  • Catalog: Biochemical Inhibitor Protein tyrosine kinase
  • Create Date: 2016-10-27 06:22:56
  • Modify Date: 2024-01-01 18:59:31
  • Bemcentinib (R428) is a potent and selective inhibitor of Axl with an IC50 of 14 nM.

Name 1-(6,7-dihydro-5H-benzo[2,3]cyclohepta[2,4-d]pyridazin-3-yl)-3-N-[(7S)-7-pyrrolidin-1-yl-6,7,8,9-tetrahydro-5H-benzo[7]annulen-3-yl]-1,2,4-triazole-3,5-diamine
Synonyms 1H-1,2,4-Triazole-3,5-diamine, 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N-[(7S)-6,7,8,9-tetrahydro-7-(1-pyrrolidinyl)-5H-benzocyclohepten-2-yl]-
1-(6,7-Dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N-[(7S)-7-(1-pyrrolidinyl)-6,7,8,9-tetrahydro-5H-benzo[7]annulen-2-yl]-1H-1,2,4-triazole-3,5-diamine
CS-1046
R428
1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N3-(7-(S)-(pyrrolidin-1-yl)-6,7,8,9-tetrahydro-5H-benzo[7]annulene-2-yl)-1H-1,2,4-triazole-3,5-diamine
BGB324
BGB-324
Description Bemcentinib (R428) is a potent and selective inhibitor of Axl with an IC50 of 14 nM.
Related Catalog
Target

IC50: 14 nM (Axl kinase)

In Vitro Bemcentinib (R428) (2μM) significantly interferes with mechanisms of migration and invasion of Axlpos melanoma cells at levels comparable to Axl knockdown[1]. Bemcentinib (R428) synergizes with cisplatin to enhance suppression of liver micrometastasis[2]. Bemcentinib (R428) (50 nM-1μM) causes a concentration-dependent inhibition of preadipocyte differentiation into mature adipocytes, as evidenced by reduced lipid uptake[3].
In Vivo Bemcentinib (R428) (125 mg/kg, p.o.) significantly blocks MDA-MB-231-luc-D3H2LN metastases development in two independent mouse models of breast cancer dissemination, suppresses both tumor angiogenesis and vascular endothelial growth factor (VEGF)-induced corneal neovascularization in vivo[2]. Bemcentinib (R428) (75 mg/kg/day, 25 mg/kg twice daily, p.o.) makes mice keep on a high-fat diet resulted in significantly reduced weight gain and subcutaneous and gonadal fat mass[3].
Cell Assay Cells maintained for 24 hours in serum-free medium are harvested and transferred to the upper chamber (1.5×105 cells per well) of uncoated (migration) or matrigel-coated (invasion) 24-well chambers. RPMI medium containing 10% fetal bovine serum is added to the lower chamber. Bemcentinib (R428) (2 μM) or vehicle (DMSO, 0.25%) is added for 2 hours to cells before loading them in the upper chambers. Both the upper and lower chambers contain the drug or vehicle. Quantification of migrating/invading cells is obtained by measuring their fluorescent signals with a 480/520 nm filter set on an Infinite M1000 microplate reader 20 or 42 hours later, respectively.
Animal Admin Seven- to 8-wk-old female NCr nu/nu mice are injected intracardially with bioluminescent MDA-MB-231-luc-D3H2LN cell suspension. Oral dosing with Bemcentinib (R428) (125 mg/kg, p.o.) or vehicle twice daily begins 2 h before cell implantation and continue to day 21 (n=20). Metastatic burden is quantified by in vivo bioluminescence imaging on day 22 and analyzed using the Wilcoxon rank sum test.
References

[1]. Sensi M, et al. Human cutaneous melanomas lacking MITF and melanocyte differentiation antigens express a functional Axl receptor kinase. J Invest Dermatol. 2011 Dec;131(12):2448-57.

[2]. Holland SJ, et al. R428, a selective small molecule inhibitor of Axl kinase, blocks tumor spread and prolongs survival in models of metastatic breast cancer. Cancer Res. 2010 Feb 15;70(4):1544-54.

[3]. Lijnen HR, et al. Growth arrest-specific protein 6 receptor antagonism impairs adipocyte differentiation and adipose tissue development in mice. J Pharmacol Exp Ther. 2011 May;337(2):457-64.

Density 1.4±0.1 g/cm3
Boiling Point 799.6±70.0 °C at 760 mmHg
Molecular Formula C30H34N8
Molecular Weight 506.645
Flash Point 437.4±35.7 °C
Exact Mass 506.290649
PSA 98.51000
LogP 4.55
Vapour Pressure 0.0±2.8 mmHg at 25°C
Index of Refraction 1.768
Storage condition -20℃
Water Solubility Insuluble (5.6E-5 g/L) (25 ºC)