1,4-Benzoquinone-DNPH (mono) Back Catalog number: 83541 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8458.6-100-AN Oxydemeton-methyl, 100μg/mL in Acetonitrile, 1ml Price on request N-12741-25MG Oxydemeton-methyl, 25mg Price on request 80605 EPA Method 8061A Matrix Spike Solution Price on request