13C6-Hexachlorobenzene, 100 µg/ml, Cyclohexane,

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)

Bis(4-hydroxyphenyl) sulfone, 1.2ml x 50ug/ml, methanol

n-Heptyltin trichloride, 1000 µg/ml, Methanol, 5