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1.0 mg/mL in Methano
Paraxanthine is a major plasma and urinary metabolite of caffeine
This xanthine derivative is
along with caffeine
a central nervous system stimulant
This Snap-N-Spike® reference solution is applicable for caffeine quantitation in clinical toxicology or urine drug testing by LC-MS/MS or GC/MS
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov