Profenofos, 250mg Back Catalog number: 673893 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 82701 EPA Method 8270A - Mix #14 Price on request 66101 2,2’,4,5,5’-Pentachlorobiphenyl (101) Price on request 21113 EPA Method 8260 - Purgeable Internal Standard Price on request