2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Back Catalog number: 63177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11476.20-100MG Papaverine hydrochloride, 100mg Price on request 1356.6-1G Hexachlorobenzene, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 118-74-1 Price on request 70443 Methyl methane sulfonate Price on request