Pentachloro(13C6)benzene, 1.2mL x 100ug/mL, nonane

Isocaffeine (1,3,9-Trimethylxanthine), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 519-32-4

Gabapentin, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 60142-96-3

1-Fluoro-4-hydroxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.