Halfenprox, 10.0 µg/ml, Acetonitrile, 10ml Back Catalog number: 674467 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 23004 EPA Method 8260B Surrogate Standard Price on request 83557 Propionaldehyde-DNPH Price on request 79395 2,3,4,5-Tetrachloroanisole Price on request