Minor phytocannabinoid
CBGBCannabigerobutol
Butyl homologue of CBG, a main impurity of cannabigerol extracted from hemp.
Harm-reduction warning
No characterised human dose: animal / in vitro data only. Effect profile, safety margin and acute toxicity are not documented in human clinical practice. Extremely potent compound: severe effects, seizures and deaths reported in the literature.
Receptors and activity
- CB1Modulatoraucune constante d'affinité publiée5 out of 100
- CB2Modulatoraucune constante d'affinité publiée5 out of 100
Subjective signature
- Calm
- 6 out of 100
- Relaxation of body and mind; reduced mental noise without marked drowsiness.
- Clarity
- 4 out of 100
- Sustained attention and clear thinking; functional lucidity, not euphoria.
- High
- 2 out of 100
- Euphoria and sensory intensity; altered perception of time and space.
- Appetite
- 4 out of 100
- Stimulation of hunger and of taste appreciation (the “munchies” effect).
- Sleep
- 4 out of 100
- Sedative effect: aids sleep onset and the continuity of deep sleep.
Pharmacology
Cannabigerobutol (CBGB) is the butyl side-chain homologue of cannabigerol. It was identified in 2021 by Cannazza and Citti's team as one of the two main impurities of commercial cannabigerol extracted from hemp, together with cannabigerovarin, by high-resolution mass spectrometry and then comparison with the synthetic standard; the same study provides its full spectroscopic characterisation and an assay validated between 0.01 and 1.00 µg/mL. A 2022 study prepared a series of CBG homologues by synthesis: in mice, all of them attenuated chemotherapy-induced neuropathic pain to a similar extent at 10 mg/kg, and the short chains, CBGV and CBGB, reduced the viability of colorectal cancer cells more strongly. No CB1 or CB2 affinity and no human data have been published.
Key sources.
- Tolomeo et coll., analyse HPLC-UV-HRMS du cannabigérovarine et du cannabigérobutol, les deux impuretés du cannabigérol extrait du chanvre, Journal of Pharmaceutical and Biomedical Analysis 2021 (new tab)PMID 34153935
- Raup-Konsavage et coll., synthèse efficace pour modifier la longueur de chaîne latérale des cannabinoïdes et effets sur la chimiothérapie et la douleur neuropathique induite, Biomolecules 2022 (new tab)PMID 36551296
- Légifrance, annexe IV de l'arrêté du 22 février 1990 fixant la liste des substances classées comme stupéfiants (new tab)
- PubChem CID 131973883 : cannabigérobutol (identifiants) (new tab)
History
- Source
- Cannabis sativa L. (hemp): identified as one of the two main impurities of cannabigerol extracted from hemp, alongside cannabigerovarin.
Biosynthetic pathway
Biosynthetic pathway: CBGB belongs to the butyl series of cannabinoids, in which the olivetolic acid type precursor carries a four-carbon chain. Its geranylation leads to cannabigerobutolic acid, whose decarboxylation releases CBGB. Because cannabigerol and its homologues are the precursors of the other cannabinoids, they are rapidly converted in the plant and persist there only in small amounts.
Legal framework
- European Union
Not listed in the schedules of the 1961 and 1971 conventions, and with no control measure of its own at European Union level. Concentrated preparations intended for food fall under Regulation (EU) 2015/2283 on novel foods.
- France
Unscheduled substance. CBGB is named in no annex of the order of 22 February 1990 and falls under no generic clause. A homologue of cannabigerol, it lacks the benzo[c]chromene nucleus targeted by the ANSM decision of 22 May 2024. Its presence as an impurity of cannabigerol falls under the framework applicable to hemp.
Sources: EUR-Lex, UNODC, CND, ANSM, IUPHAR/BPS, ChEBI, EUDA. Our method.
References
- Tolomeo et coll., analyse HPLC-UV-HRMS du cannabigérovarine et du cannabigérobutol, les deux impuretés du cannabigérol extrait du chanvre, Journal of Pharmaceutical and Biomedical Analysis 2021 (new tab)PMID 34153935
- Raup-Konsavage et coll., synthèse efficace pour modifier la longueur de chaîne latérale des cannabinoïdes et effets sur la chimiothérapie et la douleur neuropathique induite, Biomolecules 2022 (new tab)PMID 36551296
- Légifrance, annexe IV de l'arrêté du 22 février 1990 fixant la liste des substances classées comme stupéfiants (new tab)
- PubChem CID 131973883 : cannabigérobutol (identifiants) (new tab)
Structured data
- SMILES
- CCCCC1=CC(=C(C(=C1)O)C/C=C(\C)/CCC=C(C)C)O
- InChIKey
- LXMICYYYVWWGAM-LFIBNONCSA-N
LLM ingestion format: a structured superset of the entry (identifiers, binding, versioned legal status). Full corpus.