Quinalphos, 100 µg/ml, Ethyl acetate, 1ml Back Catalog number: 677896 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 90738 Acetonitrile Price on request 11790.12-50-NN 2,4,4'-Trichlorobiphenyl ether,50 µg/mL,n-nonane,1mL, Price on request 677500 D6-Parathion-methyl, 100 µg/ml, Acetonitrile, 1m Price on request