1-Nitropyrene Back Catalog number: 71319 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680658 Sodium ethyl sulfate, 100mg Price on request DF-IS-H200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 673734 Atrazine, 10.0 µg/ml, Ethyl acetate, 10ml Price on request