Boron (B)

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)

Arylsulfatase from Red Abalone

2,4,5-Trichlorophenol, 100 µg/ml, Methanol, 5ml