2,2',3,4,4',5',6-Heptachlorobiphenyl (183) Back Catalog number: 66183 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2797.23-1G Chlormadinone acetate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 302-22-7 Price on request 680620 Diisodecyl adipate (mixture of branched isomers), Price on request C15106500 1-Methyl-3-nitroguanidine, certified, 0.1g Price on request