2,3,4,4'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

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

Butafenacil, 100 µg/ml, Acetonitrile, 1ml

3, 5-Cyclocholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17132-01-3