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THCP 2D skeletal.svg
THCP 3D BS.png
Clinical data
Other names(-)-Trans-Δ9-tetrahydrocannabiphorol
  • (6aR,10aR)-3-heptyl-6,6,9-trimethyl-6a,7,8,10a-tetrahydrobenzo[c]chromen-1-ol
CAS Number
PubChem CID
CompTox Dashboard (EPA)
Chemical and physical data
Molar mass342.523 g·mol−1
3D model (JSmol)
  • CCCCCCCc3cc2OC(C)(C)[C@@H]1CCC(C)=C[C@H]1c2c(O)c3
  • InChI=1S/C23H34O2/c1-5-6-7-8-9-10-17-14-20(24)22-18-13-16(2)11-12-19(18)23(3,4)25-21(22)15-17/h13-15,18-19,24H,5-12H2,1-4H3/t18-,19-/m1/s1

Tetrahydrocannabiphorol (THCP) is a potent phytocannabinoid, a CB1 and CB2 agonist which was known as a synthetic homologue of THC,[1] but for the first time in 2019 was isolated as a natural product in trace amounts from Cannabis sativa. It is structurally similar to Δ9-THC, the main active component of cannabis, but with the pentyl side chain extended to heptyl. Since it has a longer side chain, its cannabinoid effects are "far higher than Δ9-THC itself." Tetrahydrocannabiphorol a reported potency approximately 33.3 times that of Delta-9-THC.[2]



JWH-091 (Δ8-THCP) [1]
JWH-091 (Δ8-THCP) [1]

The Δ8 isomer is also known as a synthetic cannabinoid under the code name JWH-091 but should not be confused with other JWH compounds of unrelated structure classes such as JWH-018, an indole which structurally unrelated to JWH-091 but happens to include JWH in its nickname. ,[3][4] It's unconfirmed whether or not Delta-8-THCP is found naturally in cannabis plants, but likely is due to Delta-8-THC itself being a degraded form of Delta-9-THC. [5] JWH-091 has approximately double the binding affinity at the CB1 receptor (22nM ± 3.9nM) in comparison to Delta-9-THC (40.7nM ± 1.7nM) or Delta-8-THC (44nM ± 12nM).[4] but appears significantly lower in vitro than the binding activity of Delta-9-THCP (Ki = 1.2 nM CB1)[6]

See also


  1. ^ Harvey DJ (March 1985). "Identification of hepatic metabolites of n-heptyl-delta-1-tetrahydrocannabinol in the mouse". Xenobiotica; the Fate of Foreign Compounds in Biological Systems. 15 (3): 187–197. doi:10.3109/00498258509045349. PMID 2992174.
  2. ^ "THCp and CBDp, Newly Discovered, Extremely Potent Cannabinoids". 29 June 2020.
  3. ^ Martin BR, Jefferson R, Winckler R, Wiley JL, Huffman JW, Crocker PJ, et al. (September 1999). "Manipulation of the tetrahydrocannabinol side chain delineates agonists, partial agonists, and antagonists". The Journal of Pharmacology and Experimental Therapeutics. 290 (3): 1065–1079. PMID 10454479.
  4. ^ a b Bow EW, Rimoldi JM (2016). "The Structure-Function Relationships of Classical Cannabinoids: CB1/CB2 Modulation". Perspectives in Medicinal Chemistry. 8: 17–39. doi:10.4137/PMC.S32171. PMC 4927043. PMID 27398024.
  5. ^ Hazekamp A, Fischedick JT, Díez ML, Lubbe A, Ruhaak RL (2010). "Chemistry of Cannabis". Comprehensive Natural Products II. pp. 1033–1084. doi:10.1016/B978-008045382-8.00091-5. ISBN 978-0-08-045382-8.
  6. ^ Citti C, Linciano P, Russo F, Luongo L, Iannotta M, Maione S, et al. (December 2019). "A novel phytocannabinoid isolated from Cannabis sativa L. with an in vivo cannabimimetic activity higher than Δ9-tetrahydrocannabinol: Δ9-Tetrahydrocannabiphorol". Scientific Reports. 9 (1): 20335. Bibcode:2019NatSR...920335C. doi:10.1038/s41598-019-56785-1. PMC 6937300. PMID 31889124.