D14-Methoxychlor, 10mg

D4-Dithianon, 100 µg/ml, Acetonitrile, 1ml

Methyl 4-hydroxybenzoate-2,3,5,6-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 362049-51-2

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