Valeraldehyde, 1000µg/ml in Water, 1ml

2,4,6,8-Tetrachloro[13C12]dibenzothiophene, 1.2ml x 50ug/ml, toluene

Paraxanthine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 611-59-6

1-Ethyl-4-fluorobenzene, neat, Solvent-neat, Unit 0,5mL, # of units-1, Cas.no. 459-47-2