Herbicide Acid Standard

g-Butyrolactone

25-Hydroxyvitamin D3-d6 (Dimethyl 26,27-d6), 50µg/ml in MeOH, 1ml

Propyphenazone-d3 (2N-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 162935-29-7