Total Residual Free Chlorine (Cl)

2,5-Dimethylpyrazine, Research grade, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 123-32-0

Cimetidine (free base), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 51481-61-9

Tetraethyllead, contains 50% xylene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-00-2