Details
| Parent | Buprenorphine |
| Chemical Formula | C₃₁H₄₀D₃NO₁₀ |
| Molecular Weight | 592.69 |
| 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. |





