Sodium p-n-tridecylbenzenesulfonate, 100 µg/ml, M

Parathion-methyl, 100 µg/ml, Toluene, 1ml

Ethalfluralin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 55283-68-6

Acetic acid-13C2,2000 µg/mL,MeOH,1mL,