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 679456 2,4'-DDD, 100 µg/ml, Methanol, 1ml Price on request 684175 Trichloromethane, 100 µg/ml, Methanol, 1ml Price on request 96065 Chloral hydrate Level 2 Price on request