Formaldehyde-DNPH Level 7 (20ug/mL)

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

Caffeine, 100µg/ml in MeOH, 1ml

2,2',5',2''-Terthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1081-34-1