2,5-Dimethylbenzaldehyde-DNPH

4,5-Dichloroveratrole , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2772-46-5

tau-Fluvalinate, 10.0 µg/ml, Cyclohexane, 10ml

ASTM D1387-90 Column Resolution Test Standard