Caffeine Back Catalog number: 79397 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1349.20-100-TX5 Benzo[k]fluoranthene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 93952-01-3 Price on request S-4037-0-10IO 2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules Price on request 9275.18-K-ME Clozapine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 5786-21-0 Price on request