2,3,4,4'-Tetrachlorobiphenyl (60) Back Catalog number: 63060 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54123 Ammonia as N, 100µg/ml in Water, 100ml Price on request C16986104 Sudan 4, certified, 0.25g Price on request 90314 Dimethyl phthalate Price on request