Heptachlor Back Catalog number: 79167 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 2268.12-5MG 2,2',3,3',4,4',5,5'-Octachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 35694-08-7 Price on request 1970.12-5MG 2,2',3,4,4',5-Hexabromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 182677-30-1 Price on request X9063 1,2-Dibromoethane Price on request