Tolfenpyrad, 10.0 µg/ml, Acetonitrile, 10ml Back Catalog number: 675146 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 19394 EPA Method 8021B Internal Standard Price on request 1862.8-K-CY 1,1,3-Trimethylcyclopentane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 4516-69-2 Price on request 71230 Imazapyr Price on request