2,2’-Dinitrobiphenyl

GC-IRMS Standards (C15 (?13C: -30.22); C20 (?13C: -33.06); C25 (?13C: -28.21)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no.

delta-Valerolactam

2,4-Dibromophenol, 1.2ml x 100ug/ml, toluene