GRA Ex-25

Modify Date: 2026-07-12 07:46:25

GRA Ex-25 Structure
GRA Ex-25 structure
Common Name GRA Ex-25
CAS Number 307983-31-9 Molecular Weight 563.60800
Density N/A Boiling Point N/A
Molecular Formula C29H36F3N3O5 Melting Point N/A
MSDS N/A Flash Point N/A

 Use of GRA Ex-25


GRA Ex-25 is an inhibitor of glucagon receptor, with IC50 of 56 and 55 nM for rat and human glucagon receptors, respectively.

 Names

Name GRA Ex-25
Synonym More Synonyms

 GRA Ex-25 Biological Activity

Description GRA Ex-25 is an inhibitor of glucagon receptor, with IC50 of 56 and 55 nM for rat and human glucagon receptors, respectively.
Related Catalog
Target

IC50: 56 nM (rat glucagon receptor), 55 nM (human glucagon receptor)[2]

In Vitro GRA Ex-25 binds a human glucagon receptor (h-GlucRbind) with Ki of 63 nM and a moderate glucagon induced adenylate cyclase inhibition (h-GlucRcyclase) with Ki of 254 nM under our assay conditions[1]. GRA Ex-25 has similar affinity to the rat and human glucagon receptors (IC50=56 and 55 nM, respectively)[2].
In Vivo GRA Ex-25 (3 mg/kg, i.v.) significantly reduces blood glucose caused by exogenous administration of glucagon in rat model. GRA Ex-25 is able to inhibit the rise in blood glucose levels elicited by exogenous administered glucagon, most likely because of the direct inhibition of glucagon stimulated hepatic glucose output[2].
Animal Admin Non-fasted male Sprague Dawley rats (200 g) are maintained in the anaesthetized state during the test by s.c. administration of a 1:1 mixture of Hypnorm (fentanyl, 0.05 mg/mL and fluanizone, 2.5 mg/mL) and Dormicum (Midazolam, 1.25 mg/mL). Acatheter is inserted in a jugular vein for administration of compounds. Approximately 60 min after initiation of anesthesia, test compounds (0, 1, 3, 10 and 30 mg/kg) and glucagon (3 μg/kg) are administered in 5 min intervals, respectively. Samples for determination of blood glucose concentrations are taken from the tail tip 25 and 5 min prior to administration of the compound to represent average basal values and again 10 min after administration of glucagon (time for peak response of glucagon). The results are expressed as delta values calculated as the value obtained 10 min after alucagon administration minus the average of the two basal values.
References

[1]. Kurukulasuriya R, et al. Biaryl amide glucagon receptor antagonists. Bioorg Med Chem Lett. 2004 May 3;14(9):2047-50.

[2]. Lau J, et al. New beta-alanine derivatives are orally available glucagon receptor antagonists. J Med Chem. 2007 Jan 11;50(1):113-28.

 Chemical & Physical Properties

Molecular Formula C29H36F3N3O5
Molecular Weight 563.60800
Exact Mass 563.26100
PSA 107.97000
LogP 6.89260
InChIKey BZXMLCVDKDXRQY-UHFFFAOYSA-N
SMILES CC(C)(C)C1CCC(N(Cc2ccc(C(=O)NCCC(=O)O)cc2)C(=O)Nc2ccc(OC(F)(F)F)cc2)CC1
Storage condition 2-8℃

 GRA Ex-25Bioassay

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Name: Inhibition of SARS-CoV-2-induced cytopathy was measured 4 days after infection of EGF...
Source: ChEMBL
Target: Severe acute respiratory syndrome coronavirus 2
External Id: CHEMBL5303712
Name: Tmax in rat at 4 mg/kg, po and 2 mg/kg, iv
Source: ChEMBL
Target: Rattus norvegicus
External Id: CHEMBL911111
Name: Bioavailability in orally dosed dog
Source: ChEMBL
Target: Canis lupus familiaris
External Id: CHEMBL909991
Name: Metabolic stability in iv dosed dog
Source: ChEMBL
Target: Canis lupus familiaris
External Id: CHEMBL909992
Name: Bioavailability in rat at 4 mg/kg, po
Source: ChEMBL
Target: Rattus norvegicus
External Id: CHEMBL911107
Name: Binding affinity to human cloned GLP1R expressed in BHK cells
Source: ChEMBL
Target: Glucagon-like peptide 1 receptor
External Id: CHEMBL977343
Name: Metabolic stability in rat at 2 mg/kg, iv
Source: ChEMBL
Target: Rattus norvegicus
External Id: CHEMBL911108
Name: Inhibitory concentration against glucagon-induced cAMP accumulation in human glucagon...
Source: ChEMBL
Target: Glucagon receptor
External Id: CHEMBL856252
Name: AUC in rat at 4 mg/kg, po and 2 mg/kg, iv
Source: ChEMBL
Target: Rattus norvegicus
External Id: CHEMBL911109
Name: Antiviral activity determined as inhibition of SARS-CoV-2 induced cytotoxicity of VER...
Source: ChEMBL
Target: Severe acute respiratory syndrome coronavirus 2
External Id: CHEMBL4513082
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 Synonyms

B-Alanine,N-[4-[[[trans-4-(1,1-dimethylethyl)cyclohexyl][[[4-(trifluoromethoxy)phenyl]amino]carbonyl]amino]methyl]benzoyl]
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