Discontinued ... Back Catalog number: 51123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11691.12-100-IO 2,3,4',4'-Tetachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 70199 Hexachloroethane Price on request 679883 4-Chloro-2-methylaniline, 100 µg/ml, Acetonitrile Price on request