Hydrocortisone 21-acetate, 250mg

2H-Perfluoro-[1,2-13C2]-2-octenoic acid (6:2), 50µg/ml in Isopropanol, 1,2ml

3-Methylbenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21535-97-7

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)