2-Butanone-2,4-DNPH, 100mg

Parathion-ethyl, 100 µg/ml, Cyclohexane, 1ml

5-Methyl-2,3',4,4'-tetrachlorodipehnylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

Digoxin,1000 µg/mL,MeOH,1mL,