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

Citalopram hydrobromide, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 59729-32-7

Endosulfan-I-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 203645-57-2

Tricosanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2433-96-7