2,4-DB Back Catalog number: 83573 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11882.9-5G Di-n-butyl-carbonate,neat,neat,5g, Price on request 674523 PSA-GCB-Mix for 2007.01 per AOAC Price on request 96926 IS/SS Volatile Standard Price on request