JWH-018

JWH-018 (1-pentyl-3-(1-naphthoyl)indole, NA-PIMO or AM-678) is an analgesic chemical from the naphthoylindole family that acts as a full agonist at both the CB1 and CB2 cannabinoid receptors, with some selectivity for CB2. It produces effects in animals similar to those of tetrahydrocannabinol (THC), a cannabinoid naturally present in cannabis, leading to its use in synthetic cannabis products that in some countries are sold legally as "incense blends".

JWH-018
Clinical data
Trade namesSpice, K2
Routes of
administration
Smoked, Oral
Legal status
Legal status
  • AU: S9 (Prohibited substance)
  • BR: Class F2 (Prohibited psychotropics)
  • CA: Schedule II, In general uncontrolled could be illegal to sell for human consumption or the analogue acts in several countries.
  • DE: Anlage II (Authorized trade only, not prescriptible)
  • UK: Class B
  • US: Schedule I
  • UN: Psychotropic Schedule II
Identifiers
  • (Naphthalen-1-yl)(1-pentyl-1H-indol-3-yl)methanone
CAS Number
PubChem CID
ChemSpider
UNII
KEGG
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.163.574
Chemical and physical data
FormulaC24H23NO
Molar mass341.454 g·mol−1
3D model (JSmol)
Solubility in waterhydrophobic, n/a mg/mL (20 °C)
  • CCCCCN1C=C(C(C2=CC=CC3=CC=CC=C32)=O)C4=CC=CC=C41
  • InChI=1S/C24H23NO/c1-2-3-8-16-25-17-22(20-13-6-7-15-23(20)25)24(26)21-14-9-11-18-10-4-5-12-19(18)21/h4-7,9-15,17H,2-3,8,16H2,1H3 Y
  • Key:JDNLPKCAXICMBW-UHFFFAOYSA-N Y
 NY (what is this?)  (verify)

As a full agonist at both the CB1 and CB2 cannabinoid receptors, this chemical compound is classified as an analgesic medication. The analgesic effects of cannabinoid ligands, mediated by CB1 receptors are well established in treatment of neuropathic pain, as well as cancer pain and arthritis.

These compounds work by mimicking the body's naturally-produced endocannabinoid hormones such as 2-AG and anandamide (AEA), which are biologically active and can exacerbate or inhibit nerve signaling. As the cause is poorly understood in chronic pain states, more research and development must be done before the therapeutic potential of this class of biologic compounds can be realized.

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