CWA Perchlorate Back Catalog number: 55116 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79305 1,4-Dioxane-d8 Price on request 2413.15-K-IPX5 2,6-Di-tert-butyl-4-methylphenol-d24, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 1219805-92-1 Price on request 674946 Benzethonium chloride, 100mg Price on request