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 30181 EPA Method 505 Analyte Mix Price on request 3371.10-100 Dichlofenthion, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 97-17-6 Price on request 9772.7-1ML Isopentyl acetate, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 123-92-2 Price on request