Benzene and Toluene Calibration Blends Mix#4 Back Catalog number: 51109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 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 1135.15-K-IO n-Pentadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-62-9 Price on request 2881.6-1G Sorbic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 110-44-1 Price on request