Demeton-S-methyl, 100 µg/ml, Toluene, 1ml Back Catalog number: 677959 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 40050 EPA Method 634 Analytes Price on request 673350 Methamidophos, 10.0 µg/ml, Acetonitrile, 10ml Price on request 673228 Chloridazon, 10.0 µg/ml, Acetonitrile, 10ml Price on request