You asked:

what class of chemical is tetrahydrocannabinol

  • drug, psychoactive drug, chemical compound, Cannabinoid and Drugs, hormones and biological mediators.
  • drug
    drug
    drug

  • psychoactive drug
    psychoactive drug
    psychoactive drug

  • chemical compound
    chemical compound
    chemical compound

  • Cannabinoid

  • Drugs, hormones and biological mediators