25-Hydroxyvitamin D2-[d3], 50μg/ml, 1ml

4-Methyl-1-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10240-08-1

Toluene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 108-88-3

epsilon-HCH, 10 ng/µl, 1ml