Thiophanate ethyl

1,2,3,7,8,9-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Iso-pentyl benzyl phthalate (3-Methylbutyl benzyl phthalate), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 72170-46-8

2,4-D (13C6, 99%) 100µg/mL in Acetonitrile, 1,2ml