Chlorpyrifos Back Catalog number: 70090 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 2312.12-100 Isoproturon, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 34123-59-6 Price on request 3968.6-100MG 1,1,1-Trimethylolpropanephosphate Price on request 91816 Surrogate Standard Price on request