Chlorpyrifos Back Catalog number: 70090 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 56424 Chromium (Cr), 1µg/ml in 2%-HNO3/Water, 4 x 25ml Price on request 3355.11-100-CY 2,4-DB methyl ester Price on request 3142.17-K-IO Heptadecanoic acid (Margaric), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-12-7 Price on request