13C4-Fipronil, 100 µg/ml, Acetonitrile, 1ml

Heptachlor-exo-epoxide, 10 µg/ml, Acetonitrile,

4-Heptylcyclohexanecarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 38792-94-8

Pesticides Calibration LC-MS/MS