All-rac-alpha-tocopherol for peak ident., 50mg

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)

2,3',4',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

9-Ethylphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3674-75-7