Dow 624B Volatile Internal/Surrogate Standard

Demeton-S-methyl-sulfoxide, certified, 25mg

(6)Helicene, racemic mixture of two enantiomers, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 187-83-7

Formothion, 100µg/ml in Acetonitrile