15N3-Atrazine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678256 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673350 Methamidophos, 10.0 µg/ml, Acetonitrile, 10ml Price on request 1958.12-100MG Decafluorobiphenyl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 434-90-2 Price on request EPA-537PDSL-R1 EPA Method 537 Analyte Primary Dilution Standard, 2000ng/ml in MeOH, 1,2ml Price on request