pentafluoropropionyl derivative

pentafluoropropionyl derivative

Toxicology Any cocaine metabolite–eg, benzoylecgonine, ecgonine methyl ester, measured in the urine by GC-MS, after extraction on a solid phase extraction column
References in periodicals archive ?
5 [micro]g/L for the pentafluoropropionyl derivative.
Ion m/z 414 from the pentafluoropropionyl derivative of 6-AM showed interference from norcodeine.
GC-MS conditions for pentafluoropropionyl derivatives.
The procedure described in Materials and Methods was designed to detect free codeine, free morphine, and 6-AM simultaneously as the pentafluoropropionyl derivatives.