Phentermine-D₅ HCl, 100 μg/mL (as free base)

Phentermine, a phenethylamine analog, is a stimulant and an appetite suppressant. This drug was a constituent of the withdrawn anti-obesity medication fen-phen. This internal standard is suitable for quantitation of methylphenidate levels in urine, serum, or plasma by LC/MS or GC/MS for urine drug testing, clinical toxicology, or forensic analysis.

Recommended Storage Condition
Freeze (-20°C)