o-Xylene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 95-47-6

Butachlor-OA, 100µg/ml in Acetonitrile, 1ml

Trimethyl phosphate, 100 µg/ml, Methanol, 5ml

3ß,17 alpha(H),21 alpha(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no.