Tributyltin Chloride Calibration Standard

2,8-Dibromodibenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31574-87-5

2,2',3,3',4,6,6'-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

N-Ethyl-p-toluenesulfonamide, 250mg