2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Back Catalog number: C-189N Availability: In the manufacturer's stock Price on request - + Recommended 2726.16-10MG 4-Isopropylthioxanthone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 83846-86-0 Price on request 53094 Trace Metals 3 Price on request 2761.14-1ML 3,3'-Dimethoxybenzidine, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 119-90-4 Price on request