Selenium (VI) Selenate, 1000µg/ml in Water, 100ml

4-Bromo-2,3,7,8-tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

2-Aminonaphthalene-d7, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93951-94-1

Carvedilol-d4 (ethyl-d4), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1133705-56-2