2,3,6,7-Tetrachloroxanthene , 1.2ml x 50ug/ml, toluene Back Catalog number: XE-2367-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended S-4458-400-IO ISO 10382Multicomponent Solution of PCBs and Organochlorine pesticides + injection standards. each 400µg/mL in isooctane; unit: 1x1mL Polychlorinated biphenyls 1999.12-100-IO 2,4,4’-Trichlorobiphenyl PCB-28 7012-37-5 Price on request 9413.18-10MG Mianserin hydrochloride, 10mg Price on request 8587.6-10MG Nicotinamide, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 98-92-0 Price on request