Urethane, 1000µg/ml in MeOH, 1ml

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

n-Butyl n-octyl phthalate, techn.,1000 µg/mL,isooctane,1mL,

Parathion ethyl