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 DF-23469-S 2,3,4,6,9-Pentachlorodibenzofuran (or 1,4,6,7,8), 1.2ml x 50ug/ml, nonane Price on request 96628 Benzodiazepine Mix #2 Price on request R250202 all-trans-Retinoic Acid-d5 (major), 1mg Price on request