2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Back Catalog number: C-189N Availability: In the manufacturer's stock Price on request - + Recommended A15989010ME-50 2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL in MeOH, 1ml Price on request 680377 Benzyl salicylate, 250mg Price on request 72884 N-Nitroso-N-methylaniline Price on request