THCA-S stand for Tetrahydrocannabinolic Acid-Synthase
THCA-S is commonly referred to as THCA-Synthase.
THCA-Synthase is produced by the RAW cannabis plant while it grows in the soil. THCA-S is the end of the bio-synthetic pathway for Cannabis.
When Man takes over from Mother Nature’s Enzymes to Light, Humidity & Temperature-control cure the florescence or flowers of the Cannabis plant these are often referred to as “marijuana”.
During the curing process, THCA-Synthase, folds in Cannabigerolic Acid (CBGA) to Synthesize THCA-A, B, and C of which THCA-A is the pre-cursor to THC.