EPA Method 537 Analyte Primary Dilution Standard, 2000ng/ml in MeOH, 1,2ml Back Catalog number: EPA-537PDSL-R1 Availability: In the manufacturer's stock Price on request - + Recommended 2457.9-K-IP 2,6-Dimethyl-4-nitroanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 14804-39-8 Price on request 680364 4-Aminoazobenzene, 100 µg/ml, Acetonitrile, 1ml Price on request 674439 Flonicamid, 25mg Price on request