2,4-DB Back Catalog number: 83573 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-A Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 1ug/ml, nonane Price on request 73436 Bisphenol A-d16, 1000µg/ml in methyl chloride, 1ml Price on request 71652 2-Chloroacrylonitrile Price on request