Caffeine Back Catalog number: 98416 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L429-CS4 Calibration Solutions CS4 for PAHs, in IO/TO, 1ml Price on request 1573.18-100-ME 14-Hydroxycodeine (7,8-Didehydro-4,5a-epoxy-3-methoxy-17-methylmorphinan-6a,14-diol), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 4829-46-3 Price on request 54516 Acetic Acid (C2H4O2) Price on request