Simazine hydroxy

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light 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)

(-)-trans-11-Nor-9-carboxy-Δ9-THC, 1000µg/ml in MeOH, 1ml

4-Methyl-2-pentanone