UNC9994 hydrochloride

• CAT Number: I043482
• CAS Number: 2108826-33-9
• Molecular Formula: C21H23Cl3N2OS
• Molecular Weight: 457.84
• Purity: ≥95%
• Synonyms: 5-[3-[4-(2,3-dichlorophenyl)piperidin-1-yl]propoxy]-1,3-benzothiazole;hydrochloride
• InChI: InChI=1S/C21H22Cl2N2OS.ClH/c22-18-4-1-3-17(21(18)23)15-7-10-25(11-8-15)9-2-12-26-16-5-6-20-19(13-16)24-14-27-20;/h1,3-6,13-15H,2,7-12H2;1H
• InChIKey: MTDQOQYYKZUEEK-UHFFFAOYSA-N
• SMILES: C1CN(CCC1C2=C(C(=CC=C2)Cl)Cl)CCCOC3=CC4=C(C=C3)SC=N4.Cl

UNC9994 hydrochloride is a functionally selective, β-arrestin–biased dopamine D2 receptor (D2R) agonist that selectively activates β-arrestin recruitment and signaling. UNC9994 hydrochloride shows a binding affinity with a Ki of 79 nM for D2R. UNC9994 hydrochloride is also an antagonist of Gi-regulated cAMP production and partial agonist for D2R/β-arrestin-2 interactions. UNC9994 hydrochloride shows antipsychotic-like activity[1].
UNC9994 hydrochloride induces D2-mediated β-arrestin-2 translocation with an EC50s of 6.1 nM and 448 nM in Tango assay and DiscoveRx assay, respectively[1].
UNC9994 hydrochloride is an antagonist at 5HT2A and 5HT2B and an agonist at 5HT2C and 5HT1A[1].
UNC9994 (2.0 mg/kg; i.p.; once) hydrochloride shows antipsychotic activity that is attenuated in β-arrestin-2 knockout mice[1].

Reference

[1]. Allen JA, et al. Discovery of β-arrestin-biased dopamine D2 ligands for probing signal transduction pathways essential for antipsychotic efficacy. Proc Natl Acad Sci U S A. 2011 Nov 8;108(45):18488-93.
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