4-Dimethylaminoazobenzene Back Catalog number: 70365 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-A40 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 40ng/ml, nonane Price on request 14258.5-K-ME Ethylisopropylnitrosamine, 1000μg/ml in MeOH, 1ml Price on request 34181 Propionitrile Price on request