Skip to content

CBGA (Cannabigerolic Acid)

Definition

The universal biosynthetic precursor to the major cannabinoids. Formed in cannabis trichomes by condensation of geranyl pyrophosphate and olivetolic acid; converted to THCA, CBDA, and CBCA by specific synthase enzymes.

Related terms

Δ9-THC (Tetrahydrocannabinol)
The primary psychoactive cannabinoid in cannabis, formed by decarboxylation of THCA. Molecular formula C21H30O2, MW 314.46 g/mol. The 0.3% dry-weight threshold under...
AMB-FUBINACA (ADB-FUBINACA)
A third-wave synthetic cannabinoid of the fluorobenzyl indazole carboxamide scaffold identified in the 2016 New York mass-poisoning event; associated with intense, prolonged...
CBD (Cannabidiol)
A non-psychoactive cannabinoid and regioisomer of THC with the same molecular formula but a different double bond position. Dominant in hemp varieties....
CBN (Cannabinol)
An oxidation product of THC that accumulates as cannabis ages. High CBN:THC ratio is a qualitative marker of old or degraded cannabis...
Charas
Under the NDPS Act 1985, the separated resin from cannabis including concentrated preparations and hashish; distinct from ganja (flowering tops) and from...
Duquenois-Levine Test
A three-reagent presumptive test for cannabinoids: vanillin + acetaldehyde in ethanol (Reagent 1), concentrated hydrochloric acid (Reagent 2), and chloroform partition (Reagent...
HHC (Hexahydrocannabinol)
A hydrogenated form of THC produced by catalytic reduction of the 9-10 double bond, existing as (9R)-HHC (active) and (9S)-HHC (less active)...
JWH-018
1-Pentyl-3-(1-naphthoyl)indole; the prototypical first-wave synthetic cannabinoid developed by John W. Huffman at Clemson University and identified in K2/Spice products from 2008. Scheduled...
Total THC Calculation
The formula (THCA x 0.877) + Δ9-THC that converts the THCA fraction to its decarboxylated THC equivalent, required by USDA ASTM methods...

Explained in

Your journey to becoming a forensic professional starts here.

Practice with mock tests, learn from structured notes, and get your questions answered by a global forensic community, all in one place.