2-Butanone-2,4-DNPH, 100mg Back Catalog number: 684615 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-SS-A100 Mass-Labelled PCDD Sampling Spike Solution, 1.2ml x 100ng/ml, nonane Price on request 678043 4-Ethylcatechol, 100 µg/ml, Methanol, 10ml Price on request 680415 Dexamethasone sodium phosphate, 250mg Price on request