Acetaldehyde-2,4-DNPH, 1000µg/ml in Acetonitrile, 5ml

Sotalol HCl, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 959-24-0

3,3,4,4-Tetrachlorobiphenyl (BZ-77)

Semicarbazide hydrochloride, 100mg