Chlorpyrifos Back Catalog number: 79508 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684142 1-Nitrosopyrrolidine, 100mg Price on request 2576.27-100-T 3-Methylphenanthro[3,4-c]phenanthrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 83844-21-7 Price on request 679258 D6-Metazachlor, 5mg Price on request