Chlorpyrifos methyl Back Catalog number: 79348 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674596 Fensulfothion-oxon, 100 µg/ml, Acetonitrile, 5ml Price on request 81203 EPA Method 8121 Internal Standard Price on request 71731 1-Phenyldodecane Price on request