4,4'-DDE, 100 µg/ml, Methanol, 1ml Back Catalog number: 679459 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11921.9-10MG (-)-Captopril,neat,neat,10mg, Price on request 10532.27-10MG 25-Hydroxyvitamin D3 Price on request 56135 Oil & Grease - Calibration Standard Price on request