2-Butanone, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 78-93-3

N-Nitrosodimethylamine, 1000μg/ml in MeOH, 1ml

2,5,7-Trimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-65-8

Bisphenol S (13C12, 98%), 100µg/mL in MeOH, 1,2ml