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 3270.19-K-IO Methyl 11-trans-octadecenoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6198-58-9 Price on request 0985.28-100-IO d2 C28 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-81-3 Price on request 54121 Sodium (Na), 1000µg/ml in Water, 100ml Price on request