Caffeine

Methyl 9-trans-octadecenoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1937-62-8

2,2,3,4,4,5,6,6-Octachlorobiphenyl

2-Hexanone, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 591-78-6