Cannabinol

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Not to be confused with cannabidiol or cannabinodiol.
Cannabinol
Cannabinol.svg
Cannabinol 3D.png
Clinical data
Routes of
administration
Oral, Inhaled
ATC code
  • none
Legal status
Legal status
Identifiers
CAS Number
PubChem CID
IUPHAR/BPS
ChemSpider
UNII
KEGG
ChEMBL
ECHA InfoCard 100.216.772
Chemical and physical data
Formula C21H26O2
Molar mass 310.4319 g/mol
3D model (Jmol)
Melting point 77 °C (171 °F) [4]
Solubility in water

insoluble in water[1]

soluble in methanol[2] and ethanol[3] mg/mL (20 °C)
 NYesY (what is this?)  (verify)

Cannabinol (CBN) is a weak psychoactive cannabinoid found only in trace amounts in Cannabis sativa and Cannabis indica.[5] Pharmacologically relevant quantities are formed as a metabolite of tetrahydrocannabinol (THC) .[6] CBN acts as a partial agonist at the CB1 receptors, but has a higher affinity to CB2 receptors, however; with lower affinities in comparison to THC.[7][8] Degraded or oxidized cannabis products, such as low-quality baled cannabis and traditionally produced hashish, are high in CBN, but modern production processes minimize the formation of CBN.[9] Cannabinol has been shown to have analgesic properties.[10]

Unlike other cannabinoids, CBN does not stem from cannabigerol (CBG) but rather is the degraded product of THC. If cannabis is exposed to air or ultraviolet light (for example, in sunlight) for a prolonged period of time, tetrahydrocannabinolic acid (THCA) will convert to cannabinolic acid (CBNA). CBN is then formed by decarboxylation of CBNA.[11]

Chemistry[edit]

In contrast to THC, CBN has no double bond isomers nor stereoisomers. Both THC and CBN activate the CB1 and CB2 receptors.[12]

Legal status[edit]

CBN is not listed in the schedules set out by the United Nations' Single Convention on Narcotic Drugs from 1961 nor their Convention on Psychotropic Substances from 1971,[13] so the signatory countries to these international drug control treaties are not required by said treaties to control CBN.

United States[edit]

CBN is not listed in the list of scheduled controlled substances in the USA.[14] It is therefore not scheduled at the federal level in the United States, but it is possible that CBN could legally be considered an analog of THC, and therefore sales or possession could potentially be prosecuted under the Federal Analogue Act.[15] It is also possible that CBN may not meet the legal standard of an analogue (of THC) for the purposes of bringing forth a prosecution under the Federal Analogue Act.

Cannabinol 10 mg transdermal patches
Cannabinol 10 mg transdermal patches sold at marijuana dispensaries in Colorado, USA

References[edit]

  1. ^ David R. Lide (2012). CRC Handbook of Chemistry and Physics. CRC Press. pp. 3–90. ISBN 1-43988049-2. 
  2. ^ Sigma-Aldrich Co., Cannabinol solution, 1.0 mg/mL in methanol, analytical standard, for drug analysis.
  3. ^ Biotrend: Cannabinol (PDF: 21 kB)
  4. ^ Cannabinol in the ChemIDplus database.
  5. ^ Karniol IG, Shirakawa I, Takahashi RN, Knobel E, Musty RE (1975). "Effects of delta9-tetrahydrocannabinol and cannabinol in man". Pharmacology. 13 (6): 502–12. doi:10.1159/000136944. PMID 1221432. 
  6. ^ McCallum ND, Yagen B, Levy S, Mechoulam R (May 1975). "Cannabinol: a rapidly formed metabolite of delta-1- and delta-6-tetrahydrocannabinol". Experientia. 31 (5): 520–1. doi:10.1007/bf01932433. PMID 1140243. 
  7. ^ Mahadevan A, Siegel C, Martin BR, Abood ME, Beletskaya I, Razdan RK (October 2000). "Novel cannabinol probes for CB1 and CB2 cannabinoid receptors". Journal of Medicinal Chemistry. 43 (20): 3778–85. doi:10.1021/jm0001572. PMID 11020293. 
  8. ^ Petitet F, Jeantaud B, Reibaud M, Imperato A, Dubroeucq MC (1998). "Complex pharmacology of natural cannabinoids: evidence for partial agonist activity of delta9-tetrahydrocannabinol and antagonist activity of cannabidiol on rat brain cannabinoid receptors". Life Sciences. 63 (1): PL1–6. doi:10.1016/S0024-3205(98)00238-0. PMID 9667767. 
  9. ^ https://www.whaxy.com/learn/what-is-cbn-cannabinol
  10. ^ "Comparative analgesic activity of various naturally occurring cannabinoids in mice and rats". Psychopharmacologia. 40: 285–295. doi:10.1007/BF00421466. 
  11. ^ Medical Jane, Cannabinol CBN
  12. ^ CBN: The Lazy Stoner's Cannabinoid
  13. ^ UN International Drug Control Conventions
  14. ^ §1308.11 Schedule I.
  15. ^ Erowid Analog Law Vault : Federal Controlled Substance Analogue Act Summary

External links[edit]

  • Erowid Compounds found in Cannabis sativa