Article
Determination of dextromethorphan and its O-demethylated metabolite from urine.
Therapeutic drug monitoring - 1 Oct 1992
Marshall P S, Straka R J, Johnson K
Abstract excerpt
A high-performance liquid chromatography (HPLC) assay for the simultaneous quantitation of dextromethorphan and its O-demethylated metabolite dextrorphan from urine is described. A cyano analytical column was used with a mobile phase consisting of MeOH 16%, acetonitrile 3%, and triethylamine 0.06% at pH 2.8 and a flow rate of 1.0 ml/min. Betaxolol was used as the internal standard. Standard curves from 50 ng/ml...
Topics
- Chromatography, High Pressure Liquid
- Dextromethorphan
- Dextrorphan
- Evaluation Studies as Topic
- Humans
- Male
- Phenotype
