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Leonard I. Frieling Aug. 10, 2022

Proper Chemical Terminology for THC and THC-COOH

Proper Language for carboxy THC, a non-psychoactive metabolite of THC, and a frequent target for drug urine testing.

The best source is quoted here for educational purposes only, and with thanks.

From our friends at Wikipedia, downloaded 12-19-2014.

This excerpt specifically refers to proper chemical language for the name of the psycho-inactive metabolite of THC (the main part of pot that gets you high). This author has referred to it as “carboxy THC,” probably safe, COOH THC, not too bad, and THC COOH, I think wrong. Here is something far more reliable and more interesting.


From Wikipedia, the free encyclopedia CONTRIBUTE PLEASE!! This is a good thing.

Not to be confused with Tetrahydrocannabinolic acid.

Author’s note: I believe that “THC” that gets you high is the acid, and carboxy is the base that results from metabolism by the body.

Mol. mass 344.445 g/mol

11-nor-9-Carboxy-THC, also known as 11-nor-9-carboxy-delta-9-tetrahydrocannabinol, 11-nor-9-carboxy-delta-9-THC, 11-COOH-THC, THC-COOH, and THC-11-oic acid, is the main secondary metabolite of THC which is formed in the body after Cannabis is consumed.

11-COOH-THC is formed in the body by oxidation of the active metabolite 11-Hydroxy-THC (also known as 11-OH-THC) by liver enzymes. It is then metabolized further by conjugation with glucuronide, forming a water-soluble congener which can be more easily excreted by the body. downloaded for educational purposes 12-19-2014. Contributions encouraged to Wikipedia.

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