GC/MS Calibration Standard

2,2'-Dinitrobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2436-96-6

Pimaric acid, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 127-27-5

2,2,3,4,5,6-Hexachlorobiphenyl,BZ-143