Hexahydrocannabinol, or “HHC,” is a cannabinoid, which are naturally occurring compounds in cannabis plants. The most commonly known cannabinoids are Delta-9 THC and cannabidiol (CBD).
Hexahydrocannabinol (HHC) is a hydrogenated derivative of tetrahydrocannabinol. It is a naturally occurring phytocannabinoid that has rarely been identified as a trace component in Cannabis sativa, but can also be produced synthetically by hydrogenation of cannabis extracts.
HHC was first synthesized in 1947 by Roger Adams using natural THC found in Cannabis sativa.
Cannabinoids like Delta-8 THC and HHC have appeared more recently in the marketplace. They are made by starting with THC or some other cannabinoid and changing it slightly in a chemical laboratory. They have no FDA-approved use. There is very limited information about their safety and usefulness, but there are some reports of bad side effects.
See September 2022 NFLIS Report