1,4-Naphthoquinone Back Catalog number: X9138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93971 EPA Method 525 Surrogate Standard Price on request 3345.7-100-HX Chlorpyrifos-methyl, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 5598-13-0 Price on request 676622 cis-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropane Price on request