2,3,3',5-Tetrachlorobiphenyl Back Catalog number: 66057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71493 Quinoxaline-2-carboxylic acid Price on request 9880.16-50-IO 1,5-Dimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66271-87-2 Price on request S-4059-0.5-10B Thiophene in Thiophene-free Benzene Units: 5x1mL ampoule, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C) Price on request