Well I have experiance with many cannainoids so I was not sure what happened. I was waiting for my order of this and 4MEC to come. Well they came 2 days later. I packs up my bong and sprinkled a very small amount of the ur-144 on the bowl. I took one massive bong rip and everything changed.
UR-144
Limited data
Limited data
Sparse data. Doses and effects may be unreliable or untested.
- 1 source
- partial dose data
- duration data present
Limited data
Sparse data. Doses and effects may be unreliable or untested.
- 1 source
- partial dose data
- duration data present
Dose Information
No curated dose ladder is available for this substance. The figures below are drawn from SubstanceIndex (DoseWiki) as a fallback — often a conservative threshold only. Treat them as approximate and cross-reference before use.
| ROA | Common |
|---|---|
| Inhaled | 2.5-20mg |
Common
Sources
Inhaled
Dose ladder — dose.wikiOnset, Duration & After-effects
| ROA | Onset | Total |
|---|---|---|
| Inhaled | 10 min | 1-2 hrs |
Effects
Aggregated from 3 Erowid experience reports
Each bar shows the share of analyzed reports whose text mentions that effect — a mention is not always a first-hand experience (fear of an effect, something witnessed, or "did not happen" count too). Tap or hover any number for details. The second value is the Bluelight extractor's per-effect confidence; a dash means the row is Erowid-derived, which has no confidence measurement.
Effect glossary — · full glossary
Positive Effects 0
Adverse Effects 1
100.0%
–
Community Trip Reports
Anecdotal first-person accounts from Reddit, Erowid, Bluelight, and Dose.wiki. Click a source to expand. Reports are harm-reduction context, not medical guidance. Tags summarise each author's own verdict — how reports are classified.
Erowid 2 reports 2 cautionary visit
I have little background with cannabinoids, having tried a smoking blend maybe once or twice with little effects. I'm a full time daily cannabis smoker and have taken various other drugs over the years and am fairly educated and well experienced when it comes to substances (this may be the reason I was able to deal wit...
Bluelight 2 threads 2 neutral visit
Lets start by saying, I am on felony probation which includes random drug screens and EtG testing. It is a 12 panel drug screen, only they have added MDVP (bath salts) and "K2". Now I'm isnt exactly sure which synthetic cannabinoids they test for, but suspect the JWH and AM blends.
I found a note on the sidewalk today. "Okay here's my trip report. The 5f-ur-144 smelled a little weirder than other cannabinoid rc's I've tried. I made a hoemade blend of 1g 5f-ur-144 on 8g plant matter. I have built up a rather large tolerance over the years I guess.
UR-144's nerd page
Pharmacology, chemical data, effect profiles, and more
→
Helpful Links
Add to PsychonautWiki Journal
The PsychonautWiki Journal logging app doesn't include every substance. To track UR-144 there, start adding an ingestion, search for the name, and choose to add it as a custom substance. Paste these values:
Name
UR-144
Unit
mg
Description
UR-144 Source: SubstanceSearch (substancesearch.com) Inhaled dose (mg): common 2.5-20 Inhaled duration: onset 10m · total 1-2h Note: ranges are harm-reduction guidance, not a prescription. Start low, go slow, and test your substances.
Tip: for quicker logging you can also add a Custom Unit in the app, e.g. common dose ~ 11.25 mg (Inhaled).
The app keeps custom substances simple, so the full dose ranges live in the description text above. Ranges are harm-reduction guidance, not a prescription.
Report an issue or suggest an edit
Spotted incorrect or dangerous information, have a correction, a new study, or a useful addition for UR-144? Let us know. Reports are reviewed by moderators — this is not posted publicly.