Description General description A stable-labeled internal standard applicable for use in isotope dilution methods or quantitation of methadone levels by GC/MS or LC/MS in forensic analysis, urine drug testing, pain prescription monitoring or clinical toxicology applications. Methadone is a synthetic opioid used medically as an analgesic and as a maintenance anti-addictive for use in patients with opioid dependency. The drug is sold under several trade names such as Symoron, Dolophine®, Amidone, Methadose®, Physeptone, or Heptadon. Legal Information CERILLIANT is a registered trademark of Cerilliant Corporation Dolophine is a registered trademark of Roxane Laboratories, Inc. Methadose is a registered trademark of Mallinckrodt Inc. Snap-N-Shoot is a registered trademark of Cerilliant Corporation Snap-N-Spike is a registered trademark of Cerilliant Corporation