Ethylene thiourea, 250mg Back Catalog number: 674859 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-H40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 58156 Barium (Ba) Price on request 1657.8 1,1,1,3,7,8-Hexachlorooctane, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request