What is Delta-10 THC?

Updated: May 7

All cannabis consumers and industry professionals are familiar with the phytomolecule THC that is produced by the cannabis plant. Many, however, aren’t aware that this popular psychoactive chemical compound is but one of several similar THC molecules produced by the plant called analogs (or, more technically, isomers).

The version of THC that differentiates hemp and cannabis, the measure of which has determined the market value of cannabis flowers and related products for decades, is delta-9 THC. However, a variety of analogs of the THC molecule exist. These include THCA (no psychoactivity), delta-8 THC (about two-thirds the psychoactivity of the delta-9 isomer), and THCV (the varin version that delivers psychoactivity, but only in relatively potent doses).


Other cannabinoids are produced by the plant as similar isomer families, including cannabidiol (CBD) and cannabigerol (CBG). In fact, each of these cannabinoids manifests as more than half a dozen isomers. (For CBD, these include CBDA, CBDV, CBDVA, and CBDP. Similarly, CBG offers the isomers CBGA, CBGVA, and CBGV, among others.)


The story of delta-10 THC is rife with irony. The phytomolecule was recently discovered by Fusion Farms in Adelanto, California. During a wildfire, a batch of outdoor grown plants became contaminated by fire retardant chemicals.

Recently, the delta-8 isomer of THC has gained attention. A variety of companies in the U.S. have begun selling delta-8 products, mostly in an effort to skirt the federal regulations that prohibit delta-9 THC. Meanwhile, an additional isomer of THC has attracted the attention of entrepreneurs: Delta-10 THC.


Delta-10 History: California

The story of delta-10 THC is rife with irony. The phytomolecule was recently discovered by Fusion Farms in Adelanto, California. During a wildfire, a batch of outdoor grown plants became contaminated by fire retardant chemicals. These chemicals caused one or more of the cannabinoids in the plants to convert to delta-10 (most likely from cannabichromene [CBC], CBD, or delta-9 THC—all of which feature very similar molecular structures).

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Thus, delta-10 THC has been dubbed an "artificial cannabinoid" because it may occur very rarely, or almost never, in nature. Modern manufacturing processes, however, offer the ability to produce the molecule in volume by converting closely related cannabinoids.


Some industry professionals believe that, during testing, delta-10 THC is commonly misidentified as similar cannabinoids, including CBC. "A lot of people had been seeing this mystery compound show up as a minor component on their distillate COAs, but they thought it was CBC."

Some industry professionals believe that, during testing, delta-10 THC is commonly misidentified as similar cannabinoids, including CBC. "A lot of people had been seeing this mystery compound show up as a minor component on their distillate COAs [Certificates of Analysis], but they thought it was CBC," said Josh Jones, an organic chemist who consults for Fusion Farms.


Business Opportunity

The tenuous nature of regulatory oversight of hemp and cannabis products in the U.S. means that the legal status of delta-10 is ambiguous and could change at any time.


The challenge for companies wishing to produce products rich in delta-10 THC is use of a manufacturing method that synthesizes the molecules in sufficient volume to satisfy potential market demand.

The saga of delta-10 THC illustrates how industrious entrepreneurs within the industry will naturally pursue opportunities to develop novel cannabinoid isomers. These molecules feature a different binding affinity from one another, which is the exact method by which they attach to specialized cellular receptors in the human body (which determines the exact efficacy experienced).


Synthesized molecules such as delta-10 may offer wellness professionals novel approaches to the management of particular disease states while simultaneously bolstering safety profiles for patients.

As such, synthesized molecules such as delta-10 may offer wellness professionals novel approaches to the management of particular disease states while simultaneously bolstering safety profiles for patients.


Currently, the future commercial viability of minor cannabinoids such as delta-8 and delta-10 remains uncertain. This is true both from the perspective of manufacturing—can these molecules be produced in large enough volumes to satisfy modern markets?—as well as the legal status of these molecules.


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