Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 675397 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DEC-603 Dechlorane 603, 1.2ml x 50ug/ml, toluene Price on request 674887 Nicarbazine, 100mg Price on request 70451 N-Nitrosopyrrolidine Price on request