Sale for research and reagent use only!
Strictly not for human consumption!


Form: Powder
Stock: Available

Ready to send from EU or CN warehouse to

Price per unit (gr)
1 to 2 (gr)
USD 71.16
3 to 4 (gr)
USD 61.46
5 to 9 (gr)
USD 48.52
10 (gr) and more
USD 38.82
CAS registry number: 80456-81-1
Purity: +98,9%
Systematic (IUPAC) name: 3-(2-((dimethylamino)methyl)-1-hydroxycyclohexyl)phenol
Synonyms: O-Desmethyltramadol; O-DSMT; Omnitram
Molecular Formula: C15H23NO2
Molar mass: 249.349 g/mol

O-Desmethyltramadol (also known as O-DSMT and desmetramadol) is an opioid substance of the cyclohexanol class. It is an active metabolite of tramadol. Subjective effects include sedation, pain relief, anxiety suppression, muscle relaxation, and euphoria. In comparison to tramadol, O-DSMT is reported to be less stimulating and feels considerably closer to a traditional opiate. Being the metabolite that is mainly responsible for the analgesic effect of tramadol, O-DSMT is significantly more potent by weight than its parent compound. O-DSMT has a very short history of human use and not much is known about its toxicity and abuse potential.

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