Quinalphos, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678498 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 91700 EPA Method 8150/1658 Herbicide Methyl Derivatives Price on request 674828 Phenkapton, 5mg Price on request 90379 Wisconsin DNR GRO Standard Price on request