[13C12]Dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Back Catalog number: MDD-0 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended MEL Melamine, 1.2ml x 100ug/ml, water Price on request 677305 Dimethachlor OA, 100 µg/ml, Acetonitrile, 1ml Price on request 51136 Retention Time Verification Standard Price on request