Caffeine Back Catalog number: 96175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P1695 4,4-Pentamethylene-2-pyrrolidone, >98%, 5g Price on request 1319.16-100-T 3-Fluorofluoranthene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1691-66-3 Price on request 3319.6-100-DC alpha-HCH (BHC), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 319-84-6 Price on request