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Sulpiride is an antipsychotic that functions as an antagonist at D2/3 receptors and also upregulates and activates the GHB receptor. In vivo, sulpiride ameliorates increased impulsivity and attentional impairment in PFC-lesioned models of schizophrenia. Additionally, because dopamine inhibits prolactin release, sulpiride’s inhibition of dopamine results in increased concentrations of prolactin as well as melanocyte-stimulating hormone.
| Cas No. | 15676-16-1 |
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| Purity | ≥98% |
| Formula | C15H23N3O4S |
| Formula Wt. | 341.42 |
| IUPAC Name | N-[(1-ethylpyrrolidin-2-yl)methyl]-2-methoxy-5-sulfamoylbenzamide |
| Melting Point | 178-180°C |
| Solubility | Soluble in DMF, DMSO (69 mg/ml at 25° C), water (<1 mg/ml at 25° C), and ethanol (10 mM). 45% (w/v) aq 2-hydroxypropyl-β-cyclodextrin: 8.0 mg/mL 0.1 M HCl: soluble |
| Appearance | White powder |
| Store Temp | Ambient |
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| Ship Temp | Ambient |
| MSDS | |
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| Info Sheet |
Valencia NA, Thompson DL Jr, Mitcham PB. Changes in plasma melanocyte-stimulating hormone, ACTH, prolactin, GH, LH, FSH, and thyroid-stimulating hormone in response to injection of sulpiride, thyrotropin-releasing hormone, or vehicle in insulin-sensitive and -insensitive mares. Domest Anim Endocrinol. 2013 May;44(4):204-12. PMID: 23571008.
Pezze MA, Dalley JW, Robbins TW. Remediation of attentional dysfunction in rats with lesions of the medial prefrontal cortex by intra-accumbens administration of the dopamine D(2/3) receptor antagonist sulpiride. Psychopharmacology (Berl). 2009 Jan;202(1-3):307-13. PMID: 18985321.
Ratomponirina C, Gobaille S, Hodé Y, et al. Sulpiride, but not haloperidol, up-regulates gamma-hydroxybutyrate receptors in vivo and in cultured cells. Eur J Pharmacol. 1998 Apr 10;346(2-3):331-7. PMID: 9862377.