15N3-Atrazine-desethyl, 100 µg/ml, Acetonitrile,

4,4'-Thiodianiline, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 139-65-1

Sulfamethoxazole-d4 (benzene-d4),100 µg/mL,MeOH,1mL

m-Fluorotoluene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 352-70-5