F0430
Fenobam
≥98% (HPLC), solid
Synonym(s):
N-(3-Chlorophenyl)-N′-(4,5-dihydro-1-methyl-4-oxo-1H-imidazole-2-yl)urea
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About This Item
Empirical Formula (Hill Notation):
C11H11ClN4O2
CAS Number:
Molecular Weight:
266.68
NACRES:
NA.77
PubChem Substance ID:
UNSPSC Code:
12352200
MDL number:
Product Name
Fenobam, ≥98% (HPLC), solid
InChI
1S/C11H11ClN4O2/c1-16-6-9(17)14-10(16)15-11(18)13-8-4-2-3-7(12)5-8/h2-5H,6H2,1H3,(H2,13,14,15,17,18)
SMILES string
CN1CC(=O)N=C1NC(=O)Nc2cccc(Cl)c2
InChI key
DWPQODZAOSWNHB-UHFFFAOYSA-N
assay
≥98% (HPLC)
form
solid
color
white
solubility
DMSO: >20 mg/mL
originator
Johnson & Johnson
storage temp.
2-8°C
Quality Level
Biochem/physiol Actions
Fenobam is a potent, selective, noncompetitive glutamate mGluR5 receptor antagonist. Fenobam displays inverse agonist properties; blocks mGluR5 constitutive activity in vitro (IC50 = 87 nM, slightly weaker than MPEP). Fenobam acts at an allosteric modulatory site shared with MPEP and binds the mGlu5 receptor with Kd values of 54 and 31 nM for rat and human receptors, respectively. Fenobam belongs to a structurally different class than MPEP; devoid of GABAergic activity and thus typical benzodiazepine-like side effects; displays anxiolytic activity.
Potent, selective, noncompetitive metabotropic glutamate receptor antagonist (mGluR5). Displays anxiolytic activity.
Features and Benefits
This compound is a featured product for Neuroscience research. Click here to discover more featured Neuroscience products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.
This compound is featured on the Glutamate Receptors (G Protein Family) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.
This compound was developed by Johnson & Johnson. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
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Wolfgang Jacob et al.
Neuropharmacology, 57(2), 97-108 (2009-05-12)
Fenobam [N-(3-chlorophenyl)-N'-(4,5-dihydro-1-methyl-4-oxo-1H-imidazole-2-yl)urea] was suggested to possess anxiolytic actions 30 years ago. Hoffmann-La Roche researchers recently reported that it is a selective and potent mGlu5 receptor antagonist, acting as a negative allosteric modulator. In the present study, we show that fenobam
Pari Malherbe et al.
Journal of neurochemistry, 98(2), 601-615 (2006-06-30)
Fenobam [N-(3-chlorophenyl)-N'-(4,5-dihydro-1-methyl-4-oxo-1H-imidazole-2-yl)urea], a clinically validated non-benzodiazepine anxiolytic, has been shown to be a potent and non-competitive metabotropic glutamate (mGlu)-5 receptor antagonist. In the present study, we have used the site-directed mutagenesis coupled with three-dimensional receptor-based pharmacophore modelling to elucidate the
1H- and 13C-NMR spectra of fenobam.
G Pellizer et al.
Journal of pharmaceutical sciences, 72(2), 189-190 (1983-02-01)
Laura F Cavallone et al.
Pain, 161(1), 135-146 (2019-10-01)
Metabotropic glutamate receptor 5 (mGlu5) has been shown to modulate nociception in animals, but no mGlu5 antagonists have been developed commercially as analgesics. The mGlu5 antagonist fenobam [N-(3-chlorophenyl)-N'-(4,5-dihydro-1-methyl-4-oxo-1H-imidazole-2-yl)urea] was originally evaluated for development as a nonbenzodiazepine anxiolytic. Fenobam is analgesic
Lucas R Watterson et al.
Psychopharmacology, 225(1), 151-159 (2012-07-24)
Methamphetamine (METH) is a highly potent and addictive psychostimulant with severe detrimental effects to the health of users. Currently, METH addiction is treated with a combination of cognitive and behavioral therapies, but these traditional approaches suffer from high relapse rates.
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