1,2,3,6,7,8-Hexachlorodibenzofuran

2,2',4-Trichlorobiphenyl,100 µg/mL,isooctane,1mL,

Caffeine-d3 (1-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 26351-03-1

Trimethoprim, neat, Solvent-neat, Unit 100mg, # of units-, Cas.no. 738-70-5