Penconazole, 10 µg/ml, Acetonitrile, 10ml Back Catalog number: 673404 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 97179 Internal & Surrogate Standard 8260B Price on request 12122.18-10MG Ofloxacin,neat,neat,10mg, Price on request 92790 EPA Method 8081A Pesticide Standard B Price on request