Methacrifos, 100 µg/ml, Acetonitrile, 1ml

Theophylline-d6 (dimethyl-d6), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 11790-39-8

Bensulfuron-methyl, 100 µg/ml, Acetonitrile, 1ml

(S)-(-)-Cotinine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 486-56-6