11-Nor-Delta-9-Tetrahydrocannabinol-9-Carboxylic Acid {Carboxy-THC}, aka THCM sounds like a new discovery, but it’s a cannabis byproduct that we’ve known about since 1997. Yet, THCM has never been isolated in raw cannabis – only found in cannabis smoke, as a biomarker to discover whether or not a fetus has been exposed to marijuana. That being said, THCM is a compound we know […]


