Mexacarbate, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 676195 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 22213 EPA Method 8260B Internal Standard Price on request 678409 Fenitrothion, 100 µg/ml, Acetonitrile, 5ml Price on request 674534 Benzyldimethyldodecylammonium chloride, 10.0 µg/ml Price on request