Pyrene Back Catalog number: 94004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-C200 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request C11601300 Chlorpyrifos-methyl-desmethyl sodium, 25mg Price on request 71659 4-Methylanisole Price on request