GC/MS Calibration Standard Mix #2

9,9-Di-n-octylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 123863-99-0

Isocaffeine (1,3,9-Trimethylxanthine), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 519-32-4

4-Ethyltoluene, 100mg