A certified Snap-N-Spike solution of noroxymorphone suitable for use in a variety of GC/MS or LC/MS applications from pain prescription monitoring, clinical toxicology, and pharmaceutical research to forensic analysis and urine drug testing. Noroxymorphone is a major metabolite of oxymorphone in urine. Oxymorphone, sold under trade names such as Opana, Numorphan, and Numorphone, is an opiate analgesic indicated for the relief of moderate to severe pain.