4,4'-DDT, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678382 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 92225 Semi-Volatile Standard Price on request 19211 EPA Method 504 - EDB & DBCP Price on request 72741 17-alpha-Estradiol Price on request