Fenobam - Moligand™, ≥98% , Allosteric modulator of mGlu 5 receptor, CAS No.57653-26-6, Allosteric modulator of mGlu 5 receptor

CAS: 57653-26-6 Cat. No.: F274825 Molecular Weight: 266.68 EC Number: 637-337-3
AVAILABLE TO ORDER
GRADE & PURITY Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%
Synonyms
MLS006011708 | [3H]fenobam | LP00842 | GTPL1433 | DWPQODZAOSWNHB-UHFFFAOYSA-N | Fenobam | NCGC00092384-04 | FT-0630701 | 1-m-chlorophenyl-3-(1-methyl-4-oxo-2-imidazolidinylidene)urea | Q5443558 | 1-(3-chlorophenyl)-3-[(2Z)-1-methyl-4-oxoimidazolidin-2-yli
Storage
Store at -20°C,Desiccated
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1mg
F274825-1mg
3

$19.90

$29.90
Save $10.00 (33.44%)
5mg
F274825-5mg
3

$55.90

$83.90
Save $28.00 (33.37%)
10mg
F274825-10mg
3

$93.90

$140.90
Save $47.00 (33.36%)
25mg
F274825-25mg
2

$185.90

$278.90
Save $93.00 (33.35%)
50mg
F274825-50mg
1

$278.90

$418.90
Save $140.00 (33.42%)
100mg
F274825-100mg
1

$502.90

$754.90
Save $252.00 (33.38%)
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Why this grade

Moligand™, ≥98% Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Desiccated Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Fenobam is a selective, orally active, and brain-penetrant mGluR5 antagonist acting at an allosteric modulatory site (Kds of 54 and 31 nM for rat and human recombinant mGlu5 receptors, respectively). Fenobam displays inverse agonist activity which blocks the mGlu5 receptor basal activity with an IC50 of 84 nM. Fenobam exerts anxiolytic activity。

Specifications

Synonyms
MLS006011708 | [3H]fenobam | LP00842 | GTPL1433 | DWPQODZAOSWNHB-UHFFFAOYSA-N | Fenobam | NCGC00092384-04 | FT-0630701 | 1-m-chlorophenyl-3-(1-methyl-4-oxo-2-imidazolidinylidene)urea | Q5443558 | 1-(3-chlorophenyl)-3-[(2Z)-1-methyl-4-oxoimidazolidin-2-yli
Specifications & Purity
Moligand™, ≥98%
Biochemical and Physiological Mechanisms
Selective and effective mGlu 5 receptor antagonists acting on allosteric regulatory sites (with Kd values of 54 and 31 nM for rat and human recombinant mGlu 5 receptors, respectively). Display reverse agonist properties and block the basal activity of mGl
Storage
Store at -20°C, Desiccated
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Moligand™
Action Type
ALLOSTERIC MODULATOR
Mechanism of action
Allosteric modulator of mGlu 5 receptor
Note
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Toxic, refer to SDS for further information. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
Purity
≥98%
Names and Identifiers
Canonical SmilesCN1CC(=O)NC1=NC(=O)NC2=CC(=CC=C2)Cl
IUPAC Name1-(3-chlorophenyl)-3-(1-methyl-4-oxoimidazolidin-2-ylidene)urea
InChIKeyDWPQODZAOSWNHB-UHFFFAOYSA-N
INCHI1S/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)
Isomeric SMILES CN1CC(=O)NC1=NC(=O)NC2=CC(=CC=C2)Cl
Alternate CAS 57653-26-6
MeSH Entry Terms fenobam;fenobam anhydrous;fenobam monohydrate
Molecular Weight 266.68
Reaxy-Rn 671831
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=671831&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassN-phenylureas
Intermediate Tree Nodes Not available
Direct ParentN-phenylureas
Alternative Parents Alpha amino acids and derivatives  Chlorobenzenes  Imidazolinones  Aryl chlorides  Ureas  N-acylimines  Guanidines  Propargyl-type 1,3-dipolar organic compounds  Carboximidamides  Azacyclic compounds  Organopnictogen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Alpha-amino acid or derivatives - N-phenylurea - Chlorobenzene - Halobenzene - Aryl chloride - Aryl halide - Imidazolinone - 2-imidazoline - Guanidine - Carbonic acid derivative - N-acylimine - Urea - Carboxylic acid derivative - Azacycle - Organoheterocyclic compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Carboximidamide - Organopnictogen compound - Organic oxygen compound - Hydrocarbon derivative - Organic oxide - Carbonyl group - Organic nitrogen compound - Organohalogen compound - Organochloride - Organonitrogen compound - Organooxygen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as n-phenylureas. These are compounds containing a N-phenylurea moiety, which is structurally characterized by a phenyl group linked to one nitrogen atom of a urea group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
GRM1 Tchem Metabotropic glutamate receptor 1 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
GRM5 Tchem Metabotropic glutamate receptor 5 (2 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

12 results found

Lot NumberCertificate TypeDateItem
B2423429Certificate of AnalysisJun 11, 2026 F274825
B2423431Certificate of AnalysisJun 11, 2026 F274825
B2423433Certificate of AnalysisJun 11, 2026 F274825
B2423471Certificate of AnalysisJun 11, 2026 F274825
B2423473Certificate of AnalysisJun 11, 2026 F274825
B2423481Certificate of AnalysisJun 11, 2026 F274825
B2423428Certificate of AnalysisApr 02, 2026 F274825
B2423430Certificate of AnalysisApr 02, 2026 F274825
B2423432Certificate of AnalysisApr 02, 2026 F274825
B2423434Certificate of AnalysisApr 02, 2026 F274825
B2423472Certificate of AnalysisApr 02, 2026 F274825
B2423477Certificate of AnalysisApr 02, 2026 F274825

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Chemical and Physical Properties
SolubilitySoluble in DMSO to 100 mM
Molecular Weight266.680 g/mol
XLogP31.200
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass266.057 Da
Monoisotopic Mass266.057 Da
Topological Polar Surface Area73.800 Ų
Heavy Atom Count18
Formal Charge0
Complexity385.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count1
The total count of all stereochemical bonds1
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Pengfei Wang, Weina Dai, Hongbin Liu, Han Liu, Yuming Xu.  (2024)  Fenobam modulates distinct electrophysiological mechanisms for regulating excessive gamma oscillations in the striatum of dyskinetic rats.  EXPERIMENTAL NEUROLOGY,      [PMID:38782350] [10.1016/j.expneurol.2024.114833]
Solution Calculators
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