Base/Neutrals Surrogate Standard

2,4,5-Tribromoiodobenzene, 100µg/mL, Solvent-isooctane, Unit 1ml, # of units-1, Cas.no.

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL in Isooctane, 1ml

Bentazon-d7 (isopropyl-d7),100 µg/mL,acetonitrile,1mL,