Propachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678489 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended PN-54S 1,2,3,6,7-Pentachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 2680.6-K-IO 2,3-Dimethylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 632-16-6 Price on request 19207 Semi-Volatiles Spiking Standard Price on request