2,4'-DDD, 100 µg/ml, Methanol, 1ml Back Catalog number: 679456 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70372 5-alpha-Androstane Price on request 678476 Etoxazole, 10.0 µg/ml, Acetonitrile, 10ml Price on request 682090 Crotonic acid, 100mg Price on request