PCB No. 157, 10µg/ml in Isooctane, 10ml Back Catalog number: L20015700IO Availability: In the manufacturer's stock Price on request - + Recommended 676730 4,4'-Diamino-3,3'-dimethyldiphenylmethane, 100mg Price on request 91983 IS Mix 01 - Sequoia Price on request 2603.16-10MG Hexadecahydropyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2435-85-0 Price on request