Efavirenz-13C6

2,3-Dimethyl-9,10-anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 6531-35-7

Low level Nitrogen & Sulfur Calibration Set Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline / Sulfur introduced using di-n-Butyl Sulfide Catalogue No. Concentration Matrix: Benzene mg/kg (ppm) S-4143-0

2,2',3,3',4,4',5,5',6-Nonachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane