4,4'-DDD, 100 µg/ml, Methanol, 1ml Back Catalog number: 679457 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 679674 3-Hydroxyibuprofen, 10mg Price on request 12041.20-100MG Vitamin A,neat,neat,100mg, Price on request C17684500 Trichloroacetic acid sodium salt, certified, 0.25g Price on request