Description General description Dihydromorphine is a semisynthetic opioid analgesic sold under the trade names Paramorfan or Paramorphan for treatment of pain. Dihydromorphine is also a primary active metabolite of the analgesic opioid drug dihydrocodeine. This Snap-N-Spike® Reference Solution is suitable for use as starting material in calibrators or controls for a variety of LC/MS or GC/MS applications from urine drug testing and pain prescription monitoring to pharmaceutical research. Legal Information CERILLIANT is a registered trademark of Cerilliant Corporation Snap-N-Shoot is a registered trademark of Cerilliant Corporation Snap-N-Spike is a registered trademark of Cerilliant Corporation