2-(4-Chloro-2-methylphenoxy-d3)propionic acid, 100µg/ml in MeOH, 1ml

Levetirazetam-d6, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

Trigonelline-d3 (methyl-d3) hydroiodide

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)