2,4-DB methyl ester

Methoxychlor-d6 (dimethoxy-d6),100 µg/mL,MeOH,1mL

Wisconsin DNR GRO Standard

17 alpha(H),21ß(H)-(22R)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-14-1