Caffeine, 100µg/ml in MeOH, 1ml

MTBE Resolution Test Mixture 3 Analytes, each at 1 Wt.% in MTBE; units: 1x1mL, 5x1mL, 1x5mL, 5x5mL trans-2-Pentene tert-Butanol cis-Pentene

Thioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 492-22-8

Urs-12-en-3-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 638-96-0