2-Nitrophenol, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 679899 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 681481 Diethylene glycol dimethyl ether, 1ml Price on request 30028 EPA Method 525 - Phthalate Standard Price on request 673650 Paraoxon-methyl, 100 µg/ml, Ethyl acetate, 5ml Price on request