For the Space Shuttle Mission, see STS-135
|CompTox Dashboard (EPA)|
|Chemical and physical data|
|Molar mass||382.523 g·mol−1|
|3D model (JSmol)|
STS-135 (N-(adamantan-1-yl)-1-(5-fluoropentyl)-1H-indole-3-carboxamide, also called 5F-APICA) is a designer drug offered by online vendors as a cannabimimetic agent. The structure of STS-135 appears to use an understanding of structure-activity relationships within the indole class of cannabimimetics, although its design origins are unclear. STS-135 is the terminally-fluorinated analogue of SDB-001, just as AM-2201 is the terminally-fluorinated analogue of JWH-018, and XLR-11 is the terminally-fluorinated analogue of UR-144. STS-135 acts a potent cannabinoid receptor agonist in vitro, with an EC50 of 51 nM for human CB2 receptors, and 13 nM for human CB1 receptors. STS-135 produces bradycardia and hypothermia in rats at doses of 1–10 mg/kg, suggesting cannabinoid-like activity.
As of October 2015 STS-135 is a controlled substance in China. It is also illegal in the UK.
A forensic standard of STS-135 is available, and the compound has been posted on the Forendex website of potential drugs of abuse.
- Wilkinson SM, Banister SD, Kassiou M (2015). "Bioisosteric Fluorine in the Clandestine Design of Synthetic Cannabinoids". Australian Journal of Chemistry. 68: 4. doi:10.1071/CH14198.
- Banister SD, Stuart J, Kevin RC, Edington A, Longworth M, Wilkinson SM, et al. (August 2015). "Effects of bioisosteric fluorine in synthetic cannabinoid designer drugs JWH-018, AM-2201, UR-144, XLR-11, PB-22, 5F-PB-22, APICA, and STS-135". ACS Chemical Neuroscience. 6 (8): 1445–58. doi:10.1021/acschemneuro.5b00107. PMID 25921407.
- "关于印发《非药用类麻醉药品和精神药品列管办法》的通知" (in Chinese). China Food and Drug Administration. 27 September 2015. Retrieved 1 October 2015.
- Southern Association of Forensic Scientists
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