Pyrethrins, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678493 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-123489-S 1,2,3,4,8,9-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 79302 4,4’-Methoxychlor Price on request 2661.12-10-IOX5 Arochlor 1232, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11141-16-5 Price on request