An internal standard is suitable for buprenorphine testing or isotope dilution methods by GC/MS or LC/MS for clinical toxicology, pain prescription monitoring, urine drug testing, or forensic analysis. Buprenorphine is a semi-synthetic opiate used in the treatment of moderate acute pain and opioid addiction. The drug is sold under numerous trade names such as Suboxone, Subutex, and Temgesic.
