GR 103691

Discontinued Product

Unfortunately GR 103691 (Cat. No. 1109) has been withdrawn from sale for commercial reasons.
Cat.No. 1109 - GR 103691 | C30H35N3O3 | CAS No. 162408-66-4
Description: Highly selective D3 antagonist
Chemical Name: 4'-Acetyl-N-[4-[4-(2-methoxyphenyl)-1-piperazinyl]butyl]-[1,1'-biphenyl]-4-carboxamide
Citations (4)

Biological Activity

A potent and selective dopamine D3 receptor antagonist, with a Ki value of 0.3 nM  and > 100- fold selectivity over D2 and D4 sites.

Licensing Information

Sold with the permission of GlaxoSmithKline

Technical Data

M. Wt 485.63
Formula C30H35N3O3
Storage Store at RT
CAS Number 162408-66-4

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.

Preparing Stock Solutions

The following data is based on the product molecular weight 485.63. 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 2.06 mL 10.3 mL 20.59 mL
5 mM 0.41 mL 2.06 mL 4.12 mL
10 mM 0.21 mL 1.03 mL 2.06 mL
50 mM 0.04 mL 0.21 mL 0.41 mL

Molarity Calculator

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Product Datasheets

Safety Datasheet


References are publications that support the products' biological activity.

Audinot et al (1998) A comparative in vitro and in vivo pharmacological characterization of the novel dopamine D3 receptor antagonists (+)-S 14297, nafadotride, GR 103,691 and U 99194. J.Pharmacol.Exp.Ther. 287 187 PMID: 9765337

Hurley et al (1996) Dopamine D3 receptors are not involved in the induction of c-fos mRNA by neuroleptic drugs: comparison of the dopamine D3 receptor antagonist GR 103691 with the typical and atypical neuroleptics. Eur.J.Pharmacol. 318 283 PMID: 9016916

Murray et al (1995) A novel series of arylpiperazines with high affinity and selectivity for the dopamine D3 receptor. Bioorg.Med.Chem.Lett. 5 219 PMID:

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Keywords: GR 103691, supplier, selective, D3, antagonists, Dopamine, Receptors, dopaminergic, GR103691, GlaxoSmithKline, GSK, D3, Receptors, D3, Receptors, Tocris Bioscience

4 Citations for GR 103691

Citations are publications that use Tocris products. Selected citations for GR 103691 include:

Wang et al (2015) A pivotal role of FOS-mediated BECN1/Beclin 1 upregulation in dopamine D2 and D3 receptor agonist-induced autophagy activation. Bone Res 11 2057 PMID: 26649942

Lee et al (2015) Dopaminergic effects on in vitro osteogenesis. Mol Cancer 3 15020 PMID: 26558139

Diaz et al (2014) Moderate Alcohol Exposure during the Rat Equivalent to the Third Trimester of Human Pregnancy Alters Regulation of GABAA Receptor-Mediated Synaptic Transmission by Dopamine in the Basolateral Amygdala. Autophagy 2 46 PMID: 24904907

Clemens and Hochman (2004) Conversion of the modulatory actions of dopamine on spinal reflexes from depression to facilitation in D3 receptor knock-out mice. J Neurosci 24 11337 PMID: 15601940

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