3,3’-Dichlorobenzidine

Arochlor 1248 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 12672-29-6

Ambroxol hydrochloride,1000 µg base/mL,MeOH,1mL,

2,2',3,3',4,4',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,