BIBS 39

CAT: 0804-HY-19732-01Size: 1 mgDry Ice: NoHazardous: No
CAT#:0804-HY-19732-01Size:1 mg
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Description
BIBS 39 is a new nonpeptide angiotensin II (AII) receptor antagonist. Target: Angiotensin Receptor in vitro: BIBS 39 displaces [125I] AII from its specific binding sites with a Ki value of 29 ± 7 nM for the AII subtype 1 (AT1) receptor and a Ki value of 480 ± 110 nM for the AII subtype 2 (AT2) receptor. BIBS 222 shows a Ki value of 20 ± 7 nM for the AT1 subtype and a Ki value of 730 ± 170 nM for the AT2 subtype. BIBS 39 is 17 times more selective for the AT1 subtype and BIBS 222 37 times. BIBS 39 shifts the AII concentration-contractile response curves in isolated rabbit aorta to the right in a parallel fashion. [1] in vivo: In pithed rats, BIBS 39 dependently shifts the dose-response curve of AII to the right without affecting the maximal response. BIBS 222 also causes parallel shifts to the right but a significant reduction of the maximal responses was observed at 3 and 10 mg/kg i.v. These results show that the benzimidazole derivatives BIBS 39 is a potent and selective AII receptor antagonists. Substitution with a benzimidazole moiety results into a considerable loss of selectivity for the AT1 receptor subtype compared with an imidazole moiety as, for instance, in DuP 753.[1] BIBS 39 is a new nonpeptide angiotensin receptor blockers that has affinity for both AT1- and AT2-receptors, is also a potent antagonist of the cardiovascular effects of AII in pithed rabbits. [2]
CAS Number
[133085-33-3]
UNSPSC
12352005
Target
Angiotensin Receptor
Type
Reference compound
Related Pathways
GPCR/G Protein
Applications
COVID-19-immunoregulation
Field of Research
Cardiovascular Disease; Endocrinology
Assay Protocol
https://www.medchemexpress.com/BIBS-39.html
Concentration
10mM
Purity
99.70
Solubility
DMSO : ≥ 32 mg/mL
Smiles
O=C(C1=CC=CC=C1C2=CC=C(CN3C4=CC(NC(NC5CCCCC5)=O)=CC=C4N=C3CCCC)C=C2)O
Molecular Formula
C32H36N4O3
Molecular Weight
524.65
References & Citations
[1]Zhang J, et al. Characterization of BIBS 39 and BIBS 222: two new nonpeptide angiotensin II receptor antagonists. Eur J Pharmacol. 1992 Jul 21;218 (1) :35-41.|[2]Zhang J, et al. Hemodynamic effects of angiotensin II and the influence of angiotensin receptor antagonists in pithed rabbits. J Cardiovasc Pharmacol. 1995 May;25 (5) :724-31.
Shipping Conditions
Room Temperature
Storage Conditions
-20°C, 3 years; 4°C, 2 years (Powder)
Scientific Category
Reference compound1
Clinical Information
No Development Reported
Isoform
AT1 Receptor; AT2 Receptor

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