Chlorpyrifos Back Catalog number: 79508 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673997 Bentazone, 10.0 µg/ml, Acetonitrile, 10ml Price on request 81509 MCPA methyl derivative Price on request 11767.12-100-IO 2,3,3',4,4',5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request