Heptachlor-exo-epoxide (cis-, isomer B), certified, 10mg

3-Isopropylphenol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 618-45-1

N,O-Bis(trimethylsilyl)trifluoroacetamide, neat, Solvent-neat, Unit 25g, # of units-1, Cas.no. 25561-30-2

Mono-ethyl phthalate (ring-1,2-13C2,99%, dicarboxyl-13C2,99%) 100 µg/mL in MTBE