Chlorbromuron, 100 µg/ml, Acetonitrile, 5ml

Caffeine-d3 (1-methyl-d3), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 26351-03-1

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no.

4-Hydroxyphenanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 7651-86-7