Multi-Element Internal Standard

Copper (Cu)

Promethazine hydrochloride,1000 µg base/mL,DMSO,1mL

7,10,13,16,19-Docosapentaenoic acid (all-cis), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 24880-45-3