Fenitrothion, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678409 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 19031 EPA Method 507 - Internal Standard Price on request 682073 2,4-Dimethylaniline, 100 µg/ml, Methanol, 5ml Price on request 30055 EPA Method 552 Internal Standard Price on request