4,4'-DDT, 100 µg/ml, Cyclohexane, 1ml Back Catalog number: 684390 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9073.8-K-IP 5-Chlorovanillin, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 19463-48-0 Price on request 79506 Propyl ether Price on request 672845 Diphenylamine, 250mg Price on request