1-Naphthol-4-sulfonic acid, 10mg Back Catalog number: 677421 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 57001 Perchlorate (ClO4-), 1000µg/ml in Water, 100ml Price on request 679330 Ethyl benzoylformate, 250mg Price on request 2580.28-100-T Benzo[a]naphtha[8,1,2-cde]naphthacene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 192-70-1 Price on request