Caffeine Back Catalog number: 96175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52064 Spiking Standard 1 Price on request 677932 2,4,5-T-methyl ester, 100 µg/ml, Acetonitrile, 1 Price on request 0289.17-200-T 1-Methylfluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 25889-60-5 Price on request