Details
| Parent | Propoxyphene |
| Chemical Formula | C₂₁H₂₇NO₂ · C₄H₄O₄ |
| Molecular Weight | 441.52 |
| Information | Norproxyphene is the major metabolite of proxyphene, a mild opioid analgesic. Norproxyphene is responsible for many of the side effects associated with proxyphene use, including and especially the toxicity observed in proxyphene overdose. |
