FR167344 free base_product_DataBase

Bioactivity	FR167344 free base is an orally active, nonpeptide bradykinin receptor B2 antagonist. FR167344 free base shows a high affinity binding to the B2 receptor with an IC50 value of 65 nM and no binding affinity for the B1 receptor.
Target	IC50: 65 nM (Bradykinin receptor B2)
Invitro	In competitive experiments using membranes prepared from Chinese hamster ovary cells expressing the bradykinin receptor subtypes, FR167344 shows a high affinity binding to the B2 receptor with IC50 values of 65 nM, and no binding affinity for the B1 receptor. FR167344 inhibits the B2 receptor-mediated phosphatidylinositol (PI) hydrolysis and produces a concentration-dependent rightward shift in the dose-response curve to bradykinin. This shift is accompanied by a progressive reduction of maximal response. Estimated pA2 values for the antagonism of bradykinin induced PI hydrolysis by FR167344 is 8.0. FR167344 shows no stimulatory effects on PI hydrolysis[1].
In Vivo	Oral administration of FR167344 inhibits carrageenin-induced paw oedema in rats with an ID50 of 2.7 mg/kg at 2h after carrageenin injection. Oral administration of FR167344 inhibits kaolin-induced writhing in mice with an ID50 of 2.8 mg/kg in 10 min writhing and 4.2 mg/kg in 15 min writhing. Oral administration of FR167344 inhibits caerulein-induced pancreatic oedema with an ID50 of 13.8 mg/kg as well as increases in amylase and lipase of blood samples with ID50 of 10.3 and 7.4 mg/kg, respectively, in rats[2].
Name	FR167344 free base
CAS	215258-13-2
Formula	C30H28BrCl2N5O4
Molar Mass	673.38
Transport	Room temperature in continental US; may vary elsewhere.
Storage	Please store the product under the recommended conditions in the Certificate of Analysis.
Reference	[1]. Aramori I, et al. Novel subtype-selective nonpeptide bradykinin receptor antagonists FR167344 and FR173657. Mol Pharmacol. 1997 Feb;51(2):171-6. [2]. Asano M, et al. Effects of a nonpeptide bradykinin B2 receptor antagonist, FR167344, on different in vivoanimal models of inflammation.Br J Pharmacol. 1997 Dec;122(7):1436-40.

PeptideDB

FR167344 free base

CAS: 215258-13-2 F: C30H28BrCl2N5O4 W: 673.38