2,5-Dimethylbenzaldehyde-DNPH Back Catalog number: 83546 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-C200 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 680696 2,3,6-Trimethylphenol, 100 µg/ml, Acetonitrile, Price on request 677106 D5-Aclonifen, 10mg Price on request