Caffeine, 1000µg/ml in MeOH, 1ml Back Catalog number: 71151 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1314.12-10-T 5-Fluoroacenaphthylene, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 17521-01-6 Price on request 72415 4-Phenyl-1-cyclohexene Price on request 96559 Doxepin Price on request