11-hydroxycannabinol 11-hydroxycannabinol 11-hydroxycannabinol (11-oh-cbn) is the main active metabolite of cannabinol (cbn), one of the active components of cannabis, and has also been isolated from cannabis itself. it is more potent than cbn itself, acting as an agonist of cb1 with around the same potency as thc, but is a weak antagonist at cb2. 11-hydroxycannabinolidentifiers iupac name 9-(hydroxymethyl)-6,6-dimethyl-3-pentylbenzochromen-1-ol cas number30432-08-7pubchem cid3082311chemblchembl109972comptox dashboard (epa)dtxsid60184517 chemical and physical dataformulac21h26o3molar mass326.436 g·mol−13d model (jsmol)interactive image smiles cccccc1=cc(=c2c(=c1)oc(c3=c2c=c(c=c3)co)(c)c)o inchi inchi=1s/c21h26o3/c1-4-5-6-7-14-11-18(23)20-16-10-15(13-22)8-9-17(16)21(2,3)24-19(20)12-14/h8-12,22-23h,4-7,13h2,1-3h3key:ydkzounveigjpo-uhfffaoysa-n