Metformin hydrochloride, 250mg

Di-n-octyldiethyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14775-13-4

Bisphenol A-d16, 1000µg/ml in methyl chloride, 1ml

TOC Calibration Standard