2,4-DDD standard

2,6-Dichlorobiphenyl (BZ-10)

2,4-Dihydroxybenzophenone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 131-56-6

1,4-Dinitrosopiperazine-d8, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 69340-07-4