Chemical Name: 4,5-Dihydro-4,4-dimethyl-imidazo[1,5-a]quinoxaline-3-carboxylic acid 1,1-dimethylethyl ester
Purity: ≥99% (HPLC)
Biological Activity
Technical Data
Solubility
Calculators
Datasheets
References
Biological Activity
GABAA receptor antagonist that binds the picrotoxin site and stabilizes the inactive form of the channel via allosteric interaction. Accelerates the decay of GABA-induced Cl- currents with little effect on peak amplitude. Also inhibits 5-HT3A receptors via a similar mechanism.
Technical Data
M. Wt
299.37
Formula
C17H21N3O2
Storage
Store at RT
Purity
≥99% (HPLC)
CAS Number
152273-12-6
PubChem ID
197626
InChI Key
NXBSEJKZKXIYMD-UHFFFAOYSA-N
Smiles
CC(C)(C)OC(=O)C1=C2N(C=N1)C1=CC=CC=C1NC2(C)C
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Solubility Data
Solvent
Max Conc. mg/mL
Max Conc. mM
Solubility
DMSO
29.94
100
ethanol
29.94
100
Preparing Stock Solutions
The following data is based on the product molecular weight 299.37. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
Concentration / Solvent Volume / Mass
1 mg
5 mg
10 mg
1 mM
3.34 mL
16.7 mL
33.4 mL
5 mM
0.67 mL
3.34 mL
6.68 mL
10 mM
0.33 mL
1.67 mL
3.34 mL
50 mM
0.07 mL
0.33 mL
0.67 mL
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Product Datasheets
Certificate of Analysis / Product Datasheet
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References
References are publications that support the products' biological activity.
Dillonet al (1993) U-93631 causes rapid decay of γ-aminobutyric acid-induced chloride currents in recombinant rat γ-aminobutyric acid type A receptors. Mol.Pharmacol. 44 860 PMID: 8232235
Dillonet al (1995) [4-Dimethyl-3-t-butylcarboxyl-4,5-dihydro (1,5-a) quinoxaline] is a novel ligand to the picrotoxin site on GABAA receptors, and decreases single-channel open probability. J.Pharmacol.Exp.Ther. 272 597 PMID: 7531762
Daset al (2003) The GABAA receptor antagonist picrotoxin inhibits 5-hydroxytryptamine type 3A receptors. Neuropharmacology 44 431 PMID: 12646280