Difenzoquat methyl sulfate, 250mg Back Catalog number: 682025 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1124.18-200-T Benzo[1,2-b;4,5-b']bisbenzofuran, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 208-37-7 Price on request 675965 1-(Heptafluorobutyryl)imidazole, 1ml Price on request 56424 Chromium (Cr), 1µg/ml in 2%-HNO3/Water, 4 x 25ml Price on request