Atrazine, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 673203 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 679161 2-Nitrobenzaldehyde semicarbazone, 25mg Price on request 79423 2-Chloroethyl vinyl ether Price on request 682121 Esfenvalerate, 10.0 µg/ml, Ethyl acetate, 10ml Price on request