Base, neutral calibration standard

Chloroacetanilide herbicides

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

2-[2,4-Dinitrophenylhydrazone]pyruvaldehyde, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 29903-80-8