HPLC Herbicides WS

d2 C27 ??? (20R)-Cholestane,neat,neat,25mg

Chlorobenzene, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 108-90-7

TBBPA-DBPE, 100 µg/ml, Methanol, 1ml