Formulation: A crystalline solid
Formal Name: 4'-[[2-butyl-6-[[(cyclohexylamino)carbonyl]amino]-1H-benzimidazol-1-yl]methyl]-[1,1'-biphenyl]-2-carboxylic acid
Purity: ≥98%
Formula Markup: C32H36N4O3
Formula Weight: 524,7
Shelf life (days): 1460
CAS Number: 133085-33-3
Notes: BIBS39 is a nonpeptide antagonist of the angiotensin II type 1 (AT1) receptor (Ki = 29 nM in rat lung membranes).{46447} It is selective for AT1 over AT2 receptors (Ki = 480 nM in isolated rat adrenal medulla), as well as α1-, α2-, β1-, and β2-adrenergic, adenosine A1 and A2, muscarinic M1, M2, and M3, and atrial natriuretic peptide receptors (Kis = >100 µM for all). BIBS39 (0.3-10 mg/kg) decreases diastolic blood pressure in pithed normotensive rats without affecting heart rate and in renal hypertensive rats with an increase in heart rate when administered at doses ranging from 1 to 30 mg/kg.{46447,46448}