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JWH-007

A naphthoylindole from the Huffman series, the 2-methylated analogue of JWH-018, scheduled as a narcotic in France.

Level of detail

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.

C₂₅H₂₅NO

CAS 155471-10-6

Family
Synthetic CB receptor agonistNew psychoactive substance
Molar mass
355.50 g/mol

Updated on

In plain terms

JWH-007 is a synthetic cannabinoid made in a laboratory, designed at the outset as a research tool. It does not exist in hemp and has nothing to do with cannabidiol: it has been found in the hair of consumers of Spice-type mixtures. It acts on the same receptors as THC, the amount really present in a product remains unpredictable, and it is classified as a narcotic in France.

Receptors and activity

Target network

CB1AgonistKi = 9.5 nM · not specified[3H]CP-55,940 displacement (value read from ChEMBL, 1994 article not opened); substitutes for CP55,940 in the rat in stimulus discrimination
  • Activates

The lower the cited value, the closer the target sits to JWH-007: one ring per factor of 100. A target with no measured value stays on the edge.

Where these targets live

Where each target has been found in humans, according to the cited studies. The map shows the target, not an effect of JWH-007.

Brain, side view
Body, front view
Blood

CB1CB1 found in 7 regions of the body

  1. Basal gangliadenseMost dense in basal ganglia outflow nuclei1
  2. CerebellumdenseVery dense in the cerebellum1
  3. HippocampusdenseVery high concentrations in the hippocampus2
  4. AmygdaladenseHigh concentrations in the amygdala2
  5. CortexpresentPresent throughout the neocortex2
  6. Adipose tissuepresentExpressed in adipose tissue3
  7. GutpresentColonic epithelium, smooth muscle and plexus4

Cited values

  1. CB1AgonistKi = 9.5 nM · not specified67 out of 100

    Huffman et al. 1994, Bioorg Med Chem Lett 4:563 (ChEMBL document CHEMBL1152041; identity of the article inferred from the journal and the year) (new tab) · [3H]CP-55,940 displacement (value read from ChEMBL, 1994 article not opened); substitutes for CP55,940 in the rat in stimulus discrimination

  2. CB2Agonistno measured value cited

    Agonist at both cannabinoid receptors according to the Huffman series; no CB2 value specific to JWH-007 was found in an open source

Bar length follows the measured value (Ki, Kd, EC50 or IC50), on one scale shared by every entry, from 100 µM to 0.1 nM. A target with no cited value has no bar.

Pharmacology

JWH-007 is one of the naphthoylindoles from the laboratory of John W. Huffman, who prepared numerous cannabimimetic indoles to understand what the CB1 and CB2 receptors recognise. Its structure differs from that of JWH-018 only by a methyl at position 2 of the indole, and this is exactly the kind of minimal variation the series was intended to test: the structure-activity study published in 2005 by Huffman and colleagues systematically compared the 1-propyl and 1-pentyl naphthoylindoles with and without this methyl. The compound behaves as a cannabimimetic agonist: ChEMBL reports a Ki of 9.5 nM at CB1 from the 1994 article, and, in the rat, it substitutes for CP55,940 in drug discrimination (Wiley et al., 1998). As a benchmark in the same series, JWH-018 lies around 9 nM at CB1 and 2.9 nM at CB2 (Wiley et al., 2012). Nothing is published on TRPV1, GPR55, PPARγ or 5-HT1A, and there is no controlled study in humans: neither dose, tolerance nor dependence is characterised. What is documented in humans is limited to the detection of the molecule in the hair of chronic consumers of Spice-type mixtures, where two to six synthetic cannabinoids are found in the same segment (Hutter et al., 2012).

Key sources.

History

Source
An entirely synthetic molecule, absent from hemp and from any living organism. It figures among the synthetic cannabinoids sought in the hair of consumers of Spice-type mixtures (Hutter et al., 2012), and in the lists of the EUDA and of UNODC recording the synthetic cannabinoids reported (Zangani et al., 2020). None of this relates to hemp or to cannabidiol products.

Origin

Laboratory synthesis

No known biosynthetic pathway: the molecule is produced by no plant or living organism. It belongs solely to synthetic chemistry, described here by chemical class only.

Classification

Family, origin and source verification

Family

Synthetic CB receptor agonist › New psychoactive substance

Class

naphthoylindole

Verification

Classification, sources and binding values checked on 20 October 2026; text read against its sources and Wikipedia.

Wikipedia (English)

JWH-007 (new tab)

Article paired by the molecule's structure (InChIKey), revision read on 19 October 2026. Read as a second opinion, never cited as a source.

References

  1. Huffman JW, Dai D, Martin BR, Compton DR. Design, synthesis and pharmacology of cannabimimetic indoles. Bioorg Med Chem Lett 1994;4:563-566 (Ki for JWH-007 read from ChEMBL) (new tab)DOI 10.1016/s0960-894x(01)80155-4
  2. Wiley JL, Compton DR, Dai D, Lainton JAH, Phillips M, Huffman JW, Martin BR. Structure-activity relationships of indole- and pyrrole-derived cannabinoids. J Pharmacol Exp Ther 1998;285:995-1004 (new tab)PMID 9618400
  3. Järbe TUC, Gifford RS. « Herbal incense »: designer drug blends as cannabimimetics and their assessment by drug discrimination and other in vivo bioassays. Life Sci 2014 (JWH-007 and JWH-015 substituted for CP55,940 in the rat, from Wiley 1998) (new tab)
  4. Huffman JW, Zengin G, Wu MJ et al. Structure-activity relationships for 1-alkyl-3-(1-naphthoyl)indoles at the cannabinoid CB1 and CB2 receptors: steric and electronic effects of naphthoyl substituents. Bioorg Med Chem. 2005;13(1):89-112 (new tab)PMID 15582455
  5. Wiley JL, Smith VJ, Chen J, Martin BR, Huffman JW. Synthesis and pharmacology of 1-alkyl-3-(1-naphthoyl)indoles: steric and electronic effects of 4- and 8-halogenated naphthoyl substituents. Bioorg Med Chem. 2012;20(6):2067-2081 (JWH-018 values in table 1) (new tab)PMID 22341572
  6. Hutter M, Kneisel S, Auwärter V, Neukamm MA. Determination of 22 synthetic cannabinoids in human hair by liquid chromatography-tandem mass spectrometry. J Chromatogr B. 2012;903:95-101 (new tab)PMID 22835826
  7. Mercier G, Mohamed KA, Zagzoog A, et al. In vitro pharmacological activity of twenty-eight synthetic cannabinoid receptor agonists at the type 1 and 2 cannabinoid receptors. Neurochem Int. 2025 (abstract: class toxicities) (new tab)PMID 40876783
  8. Zangani C et al. The e-Psychonauts' 'Spiced' World: assessment of the synthetic cannabinoids' information available online. Curr Neuropharmacol 2020 (JWH-007 in the UNODC, EUDA and NPSFinder lists) (new tab)PMID 32116194
  9. ANSM, consolidated list of substances classified as narcotics, updated 16 February 2026 (annex IV, « indol-3-yl methanone » family, JWH-007 cited as an example) (new tab)
  10. Order of 31 March 2017 amending the order of 22 February 1990: « indol-3-yl methanone » family of annex IV (Légifrance, JORF of 6 April 2017) (new tab)
  11. PubChem, Compound Summary CID 10360860, JWH-007 (new tab)

Identifiers

Names

IUPAC name
(2-methyl-1-pentylindol-3-yl)-naphthalen-1-ylmethanone
Other names
2-Methyl-JWH-018

Identifiers

Formula
C₂₅H₂₅NO
CAS
155471-10-6
InChIKey
IBBNKINXTRKICJ-UHFFFAOYSA-N
SMILES
CCCCCN1C(=C(C2=CC=CC=C21)C(=O)C3=CC=CC4=CC=CC=C43)C

Machine-readable entry (JSON)

LLM ingestion format: a structured superset of the entry (identifiers, binding, versioned legal status). Full corpus.