THC methylcarbonate

THC methylcarbonate (Δ9-THC-methylcarbonate) is a semi-synthetic derivative of tetrahydrocannabinol, first reported as a designer drug in August 2024 when it was identified in a seized shipment by customs in Sweden.^[1][2] Coincidentally, it was the 1000th new psychoactive substance identified by the EU Early Warning System on New Psychoactive Substances, first established in 1997.^[3]

THC methylcarbonate

Identifiers
IUPAC name (6aR,10aR)-6,6,9-Trimethyl-3-pentyl-6a,7,8,10a-tetrahydro-6H-benzo[c]chromen-1-yl methylcarbonate
Chemical and physical data
Formula	C23H32O4
Molar mass	372.505 g·mol−1
3D model (JSmol)	Interactive image
SMILES COC(=O)Oc1cc(CCCCC)cc2OC(C)(C)[C@@H]3CCC(C)=C[C@H]3c21
InChI InChI=1S/C23H32O4/c1-6-7-8-9-16-13-19(26-22(24)25-5)21-17-12-15(2)10-11-18(17)23(3,4)27-20(21)14-16/h12-14,17-18H,6-11H2,1-5H3/t17-,18-/m1/s1 Key:OCIMDWOTFKKSJV-QZTJIDSGSA-N

Related THC carbonate and carbamate prodrugs have been patented by multiple different corporations.^[4]

See also

• Cod-THC
• THC-O-acetate
• THC hemisuccinate
• THC morpholinylbutyrate