Perfluoro-n-dodecane, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 307-59-5

Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1

Cyclopentylmethylsulfide, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 7133-36-0

17-alpha-Estradiol, certified, 0.1g