4-Nitrophenol, 100 µg/ml, Methanol, 5ml

13C6-2,4-D, 100µg/ml in Acetonitrile, 1ml

Mecoprop, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 93-65-2, replaces deleted number 7085-19-0

Surrogate Standard