2,2’,3,4’,5,5’,6-Heptachlorobiphenyl (187) Back Catalog number: 66187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3436.11-100-CY Mecoprop methyl ester Price on request (8462.7) BAM Price on request 71140 Pentafluorophenylhydrazine Price on request