2,4-DB, 250mg Back Catalog number: 676113 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 57333 Arsenic (As) Price on request 679288 N-Acetyl-sulfadiazine, 10mg Price on request 2196.11-100-ME 1-Methyl-5-nitronaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 91137-27-8 Price on request