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Entity
STS-135
PSX-0335
Open Beta
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Common namesSTS-135
Substitutive name1-(5-fluoropentyl)-N-tricyclo[3.3.1.13,7]dec-1-yl-1H-indole-3-carboxamide
PsychoactiveCannabinoid
ChemicalIndole cannabinoid
PharmacologicalCannabinoid CB1 receptor full agonist
+1 more
Cannabinoid systemThreshold
< 0.5 mg
Light
0.5 – 1.5 mg
Common
1.5 – 2 mg
Strong
2 – 4 mg
Heavy
4+ mg
Onset
10 – 45 sec
Come up
10 – 45 min
Peak
10 – 30 min
Offset
5 – 10 min
After effects
15 – 45 min
Total:30 – 60 min
minlowmodhigh
Acute
Chronic
Physical
Psych.
Withdrawalnot assessed
Buildupdevelops with prolonged and repeated use
Full reset1.5 weeks
Cross-tol.cannabinoids
Dosage varies by body weight, tolerance & metabolism · Not medical advice · Terms
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STS-135
N-(adamantan-1-yl)-1-(5-fluoropentyl)indole-3-carboxamide
Effects (19)
Dependence
moderately addictive with a high potential for abuse
experience reports
No experience reports yet. Be the first to contribute.
First-person accounts of subjective effects, timing, and outcomes — submitted for harm reduction.
Last updated Mar 17, 2026Report an issue