1-Butanol, certified, 5ml

3-Fluoro-4,4'-dichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

D-Neopterin-13C5, 1mg

Method 429 Surrogate Standard Stock Solution, 1.2ml, isooctane