Biphenyl Back Catalog number: 90495 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EN-1948CSLAV Extended Calibration/Low Level Solution; Alternate Volume, 200ul, nonane Price on request N-11955-250MG Fenitrothion, 250mg Price on request 676131 Methoxychlor, 100 µg/ml, Acetone, 5ml Price on request