Demeton-O, 100 µg/ml, Ethyl acetate, 1ml Back Catalog number: 677521 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended EPA-1668CVS EPA Method 1668 Calibration Kit, 5 ampoules, nonane Price on request 675864 2-Methylhippuric acid, 100mg Price on request CNCHLOR cis-Nonachlor, 1.2mL x 100ug/mL, nonane Price on request