N-DESMETHYLFLUNITRAZEPAM-D4

A Certified Spiking Solution^? and internal standard suitable for isotope dilution methods or for quantitation of N-desmethylflunitrazepam levels in LC/MS or GC/MS testing methods. N-Desmethylflunitrazepam, also known as norflunitrazepam, is a major urinary metabolite of flunitrazepam. Flunitrazepam is an intermediate-acting benzodiazepine marketed under the trade name Rohypnol as a hypnotic, sedative, anticonvulsant and skeletal muscle relaxant.