O,O-Dimethyldithiophosphate-13C2, sodium salt

5-Chlorovanillin, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 19463-48-0

2-Chlorophenol-PFB derivative

2,4-Dihydroxybenzophenone-13C6, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 131-56-6 (unlabelled)