2,2'-Dihydroxy-4-methoxybenzophenone, 250mg

3,3'-Dimethoxybenzidine, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 119-90-4

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)

3-n-Propylcarbazole, Please inquire, Solvent-, Unit , # of units-, Cas.no.