(±)-NBI 74330

Cat. No. 4528

()-NBI 74330 C32H27F4N5O3 [473722-68-8]

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Chemical Name: N-1-[(3-4(-Ethoxyphenyl)-3,4-dihydro-4-oxopyrido[2,3-d]pyrimidin-2-yl]ethyl]-4-fluoro-N-(3-pyridinylmethyl)-3-(trifluoromethyl)benzeneacetamide

Biological Activity

Potent and selective CXCR3 antagonist; potently inhibits 125I-CXCL10 binding to CXCR3 (pKi = 8.13). Inhibits calcium mobilization in response to CXCL11 and CXCL10 in RBL cells. Exhibits no significant effect on chemotaxis induced by CXCR4 or CCR7. Displays a five-fold greater affinity for CXCR3 than (±)-AMG 487 (Cat. No. 4487).

Technical Data

Soluble to 50 mM in DMSO
>98 %
Store at -20°C


Other Information

  • This compound is racemic

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.

Certificate of Analysis / Safety Data Sheet

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Verzijl et al (2008) Noncompetitive antagonism and inverse agonism as mechanism of action of nonpeptidergic antagonists at primate and rodent CXCR3 chemokine receptors. J.Pharmacol.Exp.Ther. 325 544. PMID: 18270317.

Storelli et al (2007) Synthesis and structure-activity relationships of 3H-quinazolin-4-ones and 3H-pyrido[2,3-d]pyrimidin-4-ones as CXCR3 receptor antagonists. Arch.Pharm. 340 281. PMID: 17562560.

Heise et al (2005) Pharmacological characterization of CXC chemokine receptor 3 ligands and a small molecule antagonist. J.Pharmacol.Exp.Ther. 313 1263. PMID: 15761110.

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Keywords: ()-NBI 74330, supplier, VUF10472, (±)-NBI74330, potent, selective, CXCR3, antagonists, chemokines, (±)-NBI_74330, Tocris Bioscience, Chemokine CXC Receptor Antagonist products

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