CUMYL-3TMS-PRINACA

CUMYL-3TMS-PRINACA is an indazole-3-carboxamide based synthetic cannabinoid receptor agonist that has been sold as a designer drug, first identified in Sweden in May 2023. Along with the related compound ADMB-3TMS-PRINACA that was reported several months earlier, CUMYL-3TMS-PRINACA is one of the only psychoactive drugs ever reported that contains a silicon atom.^[1] Another example of a silicon-containing drug is sila-haloperidol.^[2]

CUMYL-3TMS-PRINACA

Identifiers
IUPAC name N-(2-phenylpropan-2-yl)-1-(3-(trimethylsilyl)propyl)-1H-indazole-3-carboxamide
Chemical and physical data
Formula	C23H31N3OSi
Molar mass	393.606 g·mol−1
3D model (JSmol)	Interactive image
SMILES C[Si](C)(C)CCCn1nc(C(=O)NC(C)(C)c2ccccc2)c2ccccc12
InChI InChI=1S/C23H31N3OSi/c1-23(2,18-12-7-6-8-13-18)24-22(27)21-19-14-9-10-15-20(19)26(25-21)16-11-17-28(3,4)5/h6-10,12-15H,11,16-17H2,1-5H3,(H,24,27) Key:BFLYAEBVCZMSPK-UHFFFAOYSA-N

Legality

CUMYL-3TMS-PRINACA is illegal in Germany and Italy and has been recommended for control in Sweden.^[3][4]

See also

• CUMYL-CBMINACA
• CUMYL-FUBINACA
• CUMYL-NBMINACA
• CUMYL-PINACA
• CUMYL-THPINACA
• 1S-LSD
• Silandrone