Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 675397 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 676464 Heneicosafluoroundecanoic acid, 100mg Price on request 57156 Barium (Ba) Price on request 80109 EPA Method 8010B - Surrogate Standard Price on request