Details
| Parent | Buprenorphine |
| Chemical Formula | C₂₅H₃₅NO₄ |
| Molecular Weight | 413.55 |
| Information | Norbuprenorphine is a major active metabolite of buprenorphine, an opioid prescribed for the treatment of opioid use disorder and both acute and chronic pain. It is not a known metabolite of any other drug. Presence indicates buprenorphine use. |



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