2,2',3,3',4',5-Hexachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane

Citalopram hydrobromide, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59729-32-7

Spermine, 100mg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 71-44-3

Hexavalent Chromium (Cr+6), 10mg/mL in H2O, 500ml