Butralin, 10.0 µg/ml, Ethyl acetate, 10ml

trans-1-Isopropyl-4-methylcyclohexane, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 1678-82-6

25-Hydroxyvitamin D3, 50μg/ml, 1ml

delta-HCH (BHC), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 319-86-8