Related Experiment Videos
Postmortem identification and quantitation of 2,5-dimethoxy-4-n-propylthiophenethylamine using GC-MSD and GC-NPD
Byron Curtis1, Philip Kemp, Linda Harty
1University of Oklahoma Health Science Center, Oklahoma City, Oklahoma, USA. chemist@ocmeokc.state.ok.us
Journal of Analytical Toxicology
|November 11, 2003
Summary
This study developed a quantitative method to detect 2,5-Dimethoxy-4-n-propylthiophenethylamine (2C-T-7) in biological samples. The method accurately quantified 2C-T-7 in postmortem blood, urine, and liver, aiding forensic toxicology.
Area of Science:
- Forensic Toxicology
- Analytical Chemistry
- Pharmacology
Background:
- 2,5-Dimethoxy-4-n-propylthiophenethylamine (2C-T-7) shares similarities with MDMA.
- 2C-T-7 was identified in postmortem samples from a fatal overdose case.
- A validated quantitative method is crucial for toxicological analysis.
Observation:
- A quantitative method was developed for 2C-T-7 detection in blood and urine.
- Key parameters studied included internal standard selection, extraction, and drug stability.
- Gas chromatography with nitrogen-phosphorus detection (GC-NPD) and GC-mass spectrometry (GC-MS) were utilized.
Findings:
- The method employed trimethoxyamphetamine (TMA) as an internal standard.
- Liquid-liquid extraction with n-chlorobutane was optimized for sample matrices.
- Detection and quantitation limits in blood were established at 6.0 and 15.6 ng/mL, respectively.
- Postmortem case results showed significant concentrations: heart blood (57 ng/mL), femoral blood (100 ng/mL), urine (1120 ng/mL), and liver (854 ng/g).
Implications:
- This validated method provides a reliable tool for forensic investigations involving 2C-T-7.
- Accurate quantification aids in determining the role of 2C-T-7 in postmortem cases.
- The findings contribute to the understanding of 2C-T-7 pharmacokinetics and toxicology.