2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Back Catalog number: C-189N Availability: In the manufacturer's stock Price on request - + Recommended 9848.3-1G Oxomalonic acid, Calcium salt, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 21085-60-9 Price on request 58282 Lead (Pb) Price on request 0318.20-200-T 13(H)-Dibenzo[a,i]carbazole, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 239-64-5 Price on request