N-Phenyl-1,4-phenylenediamine Back Catalog number: 71780 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 684160 D4-Thiacloprid, 100 µg/ml, Acetonitrile, 1ml Price on request 676580 Glyphosate, 10.0 µg/ml, Water, 10ml Price on request