Penthiopyrad, 10 µg/ml, Acetonitrile, 10ml Back Catalog number: 677121 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 71127 EPA Method 418.1 - Total Petroleum Hydrocarbons Price on request D491652 5,5-(Diphenyl-d10) Hydantoin, 5mg Price on request 96559 Doxepin Price on request