EPA Method 1666Labeled Standard

17 alpha(H),21ß(H)-(22RS)-Pentakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54370-82-0

Naphthalene-d8, 100 µg/mL,toluene, 1mL

Fluorobenzene