JWH-210
JWH-210 is a synthetic cannabinoid receptor agonist from the naphthoylindole family. It was developed during scientific research into compounds that interact with the human endocannabinoid system, particularly the cannabinoid CB1 and CB2 receptors.
It is structurally related to other JWH-series compounds, including JWH-018 and JWH-073, but contains an ethyl substitution on the naphthalene ring. This structural change gives JWH-210 very high cannabinoid-receptor affinity in laboratory assays. It is not a naturally occurring cannabinoid and is not an approved medicine or consumer product.
Chemical information
- Common name: JWH-210
- Chemical class: Naphthoylindole synthetic cannabinoid
- Chemical name: (4-ethylnaphthalen-1-yl)(1-pentyl-1H-indol-3-yl)methanone
- Molecular formula: C₂₆H₂₇NO
- Molecular weight: Approximately 369.51 g/mol
- Commonly listed CAS number: 824959-81-1
- Intended context: Analytical, forensic and laboratory research
Physical appearance should never be used to confirm identity. Authenticated analytical testing and batch documentation are required.
Pharmacological characteristics
JWH-210 binds strongly to both CB1 and CB2 cannabinoid receptors. CB1 receptors are located mainly in the central nervous system, while CB2 receptors occur primarily in immune and peripheral tissues.
Published laboratory research describes JWH-210 as a highly potent cannabinoid receptor agonist, with sub-nanomolar binding affinity reported in some experimental systems. Exact values can vary according to the receptor preparation and laboratory assay used.
Unlike delta-9-tetrahydrocannabinol, which behaves as a partial cannabinoid-receptor agonist, many synthetic cannabinoids can produce stronger receptor activation. This means their biological effects may be more intense and less predictable than those associated with conventional cannabis.
There is no established safe dose for human use.
Laboratory and forensic applications
Authenticated JWH-210 reference material may be used in controlled settings for:
- Cannabinoid receptor-binding studies
- Endocannabinoid-system research
- Analytical method development
- Forensic toxicology
- Metabolite identification
- Chromatographic reference comparison
- Mass-spectrometry method validation
- Screening of unknown forensic samples
- Development of certified analytical standards
Forensic laboratories may use JWH-210 standards to identify the parent compound or its metabolites in seized materials and biological specimens. [3][4]
Metabolism
JWH-210 undergoes extensive oxidative metabolism. Research has reported transformations involving both its pentyl side chain and ethyl-substituted naphthalene group.
Potential metabolic pathways include:
- Hydroxylation of the pentyl chain
- Hydroxylation of the ethyl substituent
- Oxidation to carboxylic-acid metabolites
- N-dealkylation
- Further oxidation of hydroxylated metabolites
- Conjugation, particularly glucuronidation
Because the unchanged parent compound may be detectable for a shorter period than its metabolites, toxicology laboratories commonly investigate characteristic hydroxylated and carboxylated metabolites when assessing possible exposure.
The exact metabolite profile depends on the biological system, sampling time and analytical method.
Analytical identification
Laboratories may identify JWH-210 using techniques such as:
- Gas chromatography–mass spectrometry
- Liquid chromatography–tandem mass spectrometry
- High-resolution mass spectrometry
- Nuclear magnetic resonance spectroscopy
- Infrared spectroscopy
- Chromatographic retention-time comparison
A reliable analytical reference material should include batch-specific supporting documentation. Depending on the supplier and product type, this may include:
- Certificate of Analysis
- Batch or lot number
- Purity or assay result
- Chromatographic data
- Mass-spectral information
- Nuclear magnetic resonance data
- Storage recommendations
- Date of analysis
The batch number on the container should match the number shown on the accompanying certificate.
Toxicology and safety concerns
JWH-210 has not been adequately studied for human safety and is not approved for therapeutic, diagnostic, dietary or recreational use.
Synthetic cannabinoid receptor agonists as a broader class have been associated with serious adverse effects, including:
- Rapid heart rate
- High blood pressure
- Severe anxiety or agitation
- Confusion
- Hallucinations
- Psychotic symptoms
- Vomiting
- Seizures
- Loss of consciousness
- Kidney injury
- Cardiovascular complications
These effects are associated with the synthetic-cannabinoid class and should not all be interpreted as uniquely documented effects of JWH-210. Nevertheless, its high receptor potency creates significant concern regarding accidental or intentional human exposure. [3][4]
JWH-210 is not intended for human or veterinary consumption, self-experimentation or medical use.
Laboratory handling
JWH-210 should be handled only by trained personnel in an appropriately equipped laboratory.
Recommended laboratory controls include:
- Review the applicable Safety Data Sheet before use
- Complete a documented risk assessment
- Wear suitable gloves, eye protection and protective clothing
- Avoid inhalation, ingestion and skin contact
- Use appropriate local exhaust ventilation
- Prevent dust or aerosol formation
- Keep containers securely closed
- Label all secondary containers
- Restrict access to authorized personnel
- Prevent cross-contamination
- Maintain complete receipt and usage records
Storage conditions should follow the authenticated supplier documentation and Certificate of Analysis. Materials should be kept securely labelled and protected from unauthorized access.
Legal status
JWH-210 is controlled or restricted in many jurisdictions. It may also be covered by broad synthetic-cannabinoid, analogue or generic drug-control laws even where its name is not listed individually.
Research-use statement
JWH-210 is intended only for legitimate analytical, forensic and scientific research conducted by qualified professionals. It is not approved for human or veterinary consumption, therapeutic administration, diagnostic use or household use.





