Parathion-ethyl, 100mg Back Catalog number: 674550 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 50800 Spiking Solution #1 Price on request 0751.12-K-IO 5,7-Dimethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21693-54-9 Price on request 20328 Semi-Volatile Standard Price on request