A stable-labeled internal standard is suitable for isotope dilution methods or benzoylecgonine testing in urine, saliva, blood, or hair by GC/MS or LC/MS for applications in clinical toxicology, urine drug testing, pain prescription monitoring, or forensic analysis. Benzoylecgonine is the primary metabolite of cocaine and a major biomarker for the determination of cocaine use.
Recommended Storage Condition
Freeze (-20°C)
| Quantity | Each |
|---|---|
| Hazardous | Yes |
| Is Featured | No |
