2,4,4’-Tribromodiphenyl ether, 50µg/ml in IO, 1ml

CONOSTAN Cl Standard, 5.0% (50,000ppm), 100g

3 alpha,17 alpha(H),21ß(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no.

PCB No. 18, certified, 25mg