Pesticides Calibration GC-MS/MS

9,10-Dihydro-9-Oxa-10-Phospaphenantrene-10-Oxide, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 35948-25-5

4,4'-Methylenebis (2-chloroaniline),100 µg/mL,acetonitrile,1mL,

m-Quarterphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 1166-18-3