Mass-Labelled PCB Extraction Standards, 1.2ml, nonane Back Catalog number: PCB-LCS-H Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 73501 1-(3,4-Dichlorophenyl)-3-methylurea Price on request 15900-4550-100AN5 Tebuconazole, 100µg/ml in Acetonitrile, 5ml Price on request 73119 Testosterone Price on request