[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 4M178 2,2',3,3',5,5',6-Heptachloro-4-methoxybiphenyl, 1.2ml x 48.5ug/ml, nonane Price on request 95247 Volatile Standard #1 Price on request 3506.7-100-AN Terbuthylazine-desethyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 30125-63-4 Price on request