what is this pill M 1721?

[Schneidey]

hey i have a oval tablet with M on one side and 1721 on the other i think its percocet but cant find the indetification anywhere


please help

shawn

[robo]

This pill is
Propoxyphene 100 mg and Acetaminophen 650 mg
Generic for: Darvocet N-100®
Description large white oval pill marked 1721 on one side and an M inside a box on the other
Image at pharmaceuticals.mallinckrodt.com
Info at http://www.drugs.com/MTM/acetaminoph...poxyphene.html