4,4'-DDT (ring-13C12,99%) 100 µg/mL in Nonane, 1,2ml Back Catalog number: CLM-1281-1.2 Availability: In the manufacturer's stock Price on request - + Recommended 682175 Isofetamid, 100 µg/ml, Acetone, 1ml Price on request 3985.8-K-CY cis-1,2,trans-1,4-1,2,4-Trimethylcyclopentane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 4850-28-6 Price on request 6164-3-06:5G 1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g Price on request