p-Xylene

1H,1H,2H,2H-Perfluoro-7-methyloctan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 20015-46-7

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)

JWH-073 COOH-d4, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no.