Catalog No. Size PriceQuantity
M12620-2 Contact sales@xcessbio.com for quotation $100
M12620-10 Contact sales@xcessbio.com for quotation $100


A-192621 is a potent, nonpeptide, orally active and selective endothelin B (ETB) receptor antagonist with an IC50 of 4.5 nM and a Ki of 8.8 nM. The selectivity of A-192621 is 636-fold higher than ETA (IC50 of 4280 nM and Ki of 5600 nM). A-192621 promotes apoptosis in PASMCs. A-192621 alos causes elevation of arterial blood pressure and an elevation in the plasma ET-1 level.

Product information

CAS Number: 195529-54-5

Molecular Weight: 558.66

Formula: C33H38N2O6

Chemical Name: (2R, 3R, 4S)-4-(2H-1, 3-benzodioxol-5-yl)-1-{[(2, 6-diethylphenyl)carbamoyl]methyl}-2-(4-propoxyphenyl)pyrrolidine-3-carboxylic acid

Smiles: CCC1C=CC=C(CC)C=1NC(=O)CN1C[C@@H]([C@H]([C@@H]1C1C=CC(=CC=1)OCCC)C(O)=O)C1C=C2OCOC2=CC=1


InChi: InChI=1S/C33H38N2O6/c1-4-16-39-25-13-10-23(11-14-25)32-30(33(37)38)26(24-12-15-27-28(17-24)41-20-40-27)18-35(32)19-29(36)34-31-21(5-2)8-7-9-22(31)6-3/h7-15,17,26,30,32H,4-6,16,18-20H2,1-3H3,(H,34,36)(H,37,38)/t26-,30-,32+/m1/s1

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: Soluble in DMSO

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200


  1. Chaowei Ren, et al. Discovery of a Brigatinib Degrader SIAIS164018 with Destroying Metastasis-Related Oncoproteins and a Reshuffling Kinome Profile. J. Med. Chem. 2021, June 17; doi: 10.1021/acs.jmedchem.1c00373

Products are for research use only. Not for human use.

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