Crotonaldehyde-DNPH

1,2,3,4-Tetrachloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 20020-02-4

N-Methyl-2-pyrrolidone, 5ml

5-Chloro-2-(2,4-dichlorophenoxy)phenol , 1.2ml x 50ug/ml, methanol