2,3,3',4,4',5’,6-Heptachlorobiphenyl Back Catalog number: 63191 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682332 1,4-Butanediol, 1000mg Price on request 673837 Ethoxysulfuron, 100mg Price on request 681309 4-Isopropylaniline, 100 µg/ml, Methanol, 5ml Price on request