136553-81-6
Chemical Structure
BQ-123
- CAS No.: 136553-81-6
- Formula:C31H42N6O7
- Molecular Weight:610.70
IUPAC Name: 2-((3R,6S,9R,12R,17aS)-9-((1H-indol-3-yl)methyl)-6-isobutyl-3-isopropyl-1,4,7,10,13-pentaoxohexadecahydro-1H-pyrrolo[1,2-a][1,4,7,10,13]pentaazacyclopentadecin-12-yl)acetic acid
InChIKey: VYCMAAOURFJIHD-PJNXIOHISA-N
SMILES: O=C(N[C@](C(N(CCC1)[C@]1([H])C2=O)=O)([H])CC(O)=O)[C@H](NC([C@@H](NC([C@H](N2)C(C)C)=O)CC(C)C)=O)CC3=CNC4=CC=CC=C34
Biological Activity: BQ-123 is a potent and selective endothelin A (ETA) receptor antagonist with an IC50 of 7.3 nM and a Ki of 25 nM. BQ-123 inhibits endothelin-1-mediated proliferation of human pulmonary artery smooth muscle cells and lowers blood pressure in different rat models of hypertension[1][2][3].
| Cat. No. | Product Name | Purity | Description | Pricing | |||||||||||||||||||
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BQ-123 | 99.91% | BQ-123 is a potent and selective endothelin A (ETA) receptor antagonist with an IC50 of 7.3 nM and a Ki of 25 nM. BQ-123 inhibits endothelin-1-mediated proliferation of human pulmonary artery smooth muscle cells and lowers blood pressure in different rat models of hypertension. | ||||||||||||||||||||
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References
- [1]. Ihara M, et al. In vitro biological profile of a highly potent novel endothelin (ET) antagonist BQ-123 selective for the ETA receptor. J Cardiovasc Pharmacol. 1992;20 Suppl 12:S11-S14. [Content Brief]
- [2]. Sakamoto A, et al. Distinct subdomains of human endothelin receptors determine their selectivity to endothelinA-selective antagonist and endothelinB-selective agonists. J Biol Chem. 1993 Apr 25;268(12):8547-53. [Content Brief]
- [3]. Zamora MA, et al. BQ123, an ETA receptor antagonist, inhibits endothelin-1-mediated proliferation of human pulmonary artery smooth muscle cells. Am J Respir Cell Mol Biol. 1993;9(4):429-433. [Content Brief]
