1,2,4-Butanetriol

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

n-Octadecane-d38, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 16416-31-2

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