D6-Benzene, 2000 µg/ml, Methanol, 1ml

Valproic acid-d4, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 87745-17-3

3-Epi-25-Hydroxyvitamin D3, 50μg/ml, 1ml

Methamidophos, 100 µg/ml, Toluene, 1ml