PCB No. 157, 10µg/ml in Isooctane, 10ml

L-Tyrosine

a-1,2,3,4,5,6-Hexachloro(13C6)cyclohexane, 1.2mL x 100ug/mL, nonane

5H-Perfluoropentanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 376-72-7