Verification II Standard 2

3-Dehydro Retinol, 95%, 1mg

3'-Fluoro-3,4,4',5-tetrachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Diflubenzuron-d4 (4-chlorophenyl-d4),100 µg/mL,acetonitrile,1mL,