Surrogate Standard Stock Solution, 1.2ml, nonane

Iso-pentyl benzyl phthalate (3-Methylbutyl benzyl phthalate), neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 72170-46-8

Internal Standard

alpha alpha alpha (24R)-24-Methylcholest-3-ene and alpha alpha alpha (24R)-Ethylcholest-3-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 211423-39-9 / 376372-00-8