1,3,5-Trioxane

Sulfur Calibration Standard 2 1688,0 Hydrogensulfide [7783-06-4] 0185,2 Dimethylsulfide [75-18-3] 0190,3 Ethylmethylsulfide [624-89-5] 0933,4 Thiophene [110-02-1] Concentration; 10ppm, wt% Solvent: n-Pentane Screw cap

Benzyl salisylate-d4 (Benzyl 2-hydroxybenzoate-3,4,5,6-d4), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 118-58-1 of unlab.

2,2',3,3',4,6,6'-Heptachlorobiphenyl