WS Disinfection By-Products - Cal Check 4

2,4-Dinitrotoluene

(2RS)-2-(4-Methylphenyl)propanoic acid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 938-94-3

7-Bromo-2,3-dichlorodibenzo-p-dioxin (96%), 1.2ml x 48ug/ml, toluene