Cannabinol in Tonga: not individually verified

Also known as: cbn

We have not confirmed that Cannabinol specifically is scheduled in Tonga, so this page gives no legal status. Publishing a guess here would be worse than publishing nothing. What we do know is the governing national drug law, below.

What is on record

Not confirmed, and the chemistry points away from rather than toward the two routes that reach other cannabinoids in this Schedule. Tetrahydrocannabinol is named on page 21 of Schedule 1, and Schedule 1's own opening paragraph extends control to a named drug's isomers, but cannabinol is not an isomer of tetrahydrocannabinol: cannabinol's formula is C21H26O2 against tetrahydrocannabinol's C21H30O2, four hydrogen atoms fewer, because cannabinol's cyclohexene ring is fully aromatised to a second benzene ring. Different molecular formulas rule out an isomer relationship. The Illicit Drugs Control (Amendment) Act 2020 analogue clause does not reach it either: its structure-modification limb only lists replacement of a functional group, replacement of up to two ring structures, or the addition of hydrogen atoms to an unsaturated bond, and cannabinol's relationship to tetrahydrocannabinol runs the opposite direction, oxidative loss of hydrogen through aromatisation, which the clause does not mention. Cannabinol is also not a homologue, since it is not built by extending a side chain. No fitting Schedule 1 entry or analogue relationship could be established.

Confirm directly with Tonga’s national drug authority or your own embassy before you rely on anything.

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