4.4'-DDE (13C12), 100µg/ml in n-Nonane, 1,2ml Back Catalog number: S-FC93S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended 52036 Calibration Standard Mix 4 Price on request 59987 Metal Mix #3 Price on request 2619.32-10UG 17 alpha(H),21ß(H)-(22RS)-Bishomohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54352-50-0 Price on request