25-Hydroxyvitamin D2-d6, 50µg/ml in MeOH, 1ml

2-Hydroxybenzothiazole, 500mg

4-n-Octylphenol-d4 diethoxylate

2,3',4,4',5-Pentachlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 31508-00-6