2,6-Dibromophenol, Internal Standard Stock Solution Cat. No. 2472.6

3,3'-Dimethoxybenzidine,100 µg/mL,acetonitrile,1mL,

Zolpidem hemitartrate, , Solvent-, Unit , # of units-, Cas.no. 99294-93-6

3,3',4,4'-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93703-48-1