2-hydroxy-3-methylpentanoic acid, >95%, 50mg

1H,1H,2H,2H-Perfluoro-n-octyl methacrylate,50 µg/mL,MeOH,1mL,

Pentachlorothioanisole

2,3,3',4,4',5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,