Serotonin-13C2, 15N

Hexanoic acid (Caproic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 142-62-1

Flucythrinate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 70124-77-5

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)