Surrogate Standard

2,2'-Dihydroxy-4-methoxybenzophenone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 131-53-3

d4 C27 alpha alpha alpha (20R)-Cholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-74-4

4-Bromo-2,3,5,6-tetrachloroaniline, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no.