WS Disinfection By-Products - Cal Check 2

17 alpha(H),21ß(H)-25,30-Bisnorhopane, neat, Solvent-neat, Unit ca. 1µg , # of units-1, Cas.no.

2,4-Di-tert-butylphenol, 100 µg/ml, Methanol, 1m

2,4-Dibromophenol, 100 µg/ml, Methanol, 1ml