BU 239 hydrochloride

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Cat.No. 0726 - BU 239 hydrochloride | C11H10N4.HCl | CAS No. 1217041-98-9
Description: Potent, highly selective I2 ligand
Chemical Name: 2-(4,5-Dihydroimidazol-2-yl)quinoxaline hydrochloride

Biological Activity

High affinity ligand for the imidazoline I2 binding site.

Technical Data

M. Wt 234.69
Formula C11H10N4.HCl
Storage Desiccate at RT
CAS Number 1217041-98-9
PubChem ID 56846046
Smiles Cl.C1CN=C(N1)C1=NC2=CC=CC=C2N=C1

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
DMSO 11.73 50

Preparing Stock Solutions

The following data is based on the product molecular weight 234.69. 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 4.26 mL 21.3 mL 42.61 mL
5 mM 0.85 mL 4.26 mL 8.52 mL
10 mM 0.43 mL 2.13 mL 4.26 mL
50 mM 0.09 mL 0.43 mL 0.85 mL

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Product Datasheets

Certificate of Analysis is currently unavailable
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Safety Datasheet


References are publications that support the products' biological activity.

Hudson et al (1994) Affinity and selectivity of BU224 and BU239 for rabbit brain non-adrenoceptor idazoxan binding sites (I2 sites). Br.J.Pharmacol. 112 320P PMID:

Lione et al (1996) Affinity and selectivity of BU 224 and BU 239 for rat and guinea-pig brain I2 imidazoline sites. Br.J.Pharmacol. 117 297P PMID:

If you know of a relevant reference for BU 239 hydrochloride, please let us know.

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