Chlorpyrifos Back Catalog number: 79508 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94516 Internal Standard for AB SIM Price on request TBP Tri-n-butyl phosphate, 1.2ml x 50ug/ml, toluene Price on request 3084.11-K-IO 4,6-Dimethylquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 826-77-7 Price on request