Chlorpyrifos, 1000µg/ml in Hexane 1ml Back Catalog number: 81403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA10330000AL Atrazine, 100µg/mL in Acetonitrile, 1ml Price on request 58126 Iron (Fe) Price on request 71787 2-Chloro-m-xylene Price on request