Chlorpyrifos methyl Back Catalog number: 70593 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 31181 EPA Method 505 Analytes Conc Price on request 673994 Nitrofen, 100mg Price on request 3448.16-100 Methoxychlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 72-43-5 Price on request