Heptachlor Back Catalog number: 79167 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 8711.12-5MG 2,3,3',4',5,6-Hexachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 74472-44-9 Price on request 79013 4,4’-Dibromooctafluorobiphenyl Price on request S-4181-10K-5MTX5 MTBE Contaminant Standard High Contaminant Mixture 11 Analytes, each 1,0 Wt.% in MTBE; units: 1x1mL, 5x1mL, 1x5mL, 5x5mL tert-Amyl methyl ether 2-Methylbutane trans-2-Pentene tert-Butanol 2-Methyl-2-butene Price on request