2,4,6-Trichlorophenol, certified, 0.1g

2,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml

2,2',3,3',4-Pentachlorobiphenyl

2,3-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 2169-87-1