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 96870 EPA 537 UCMR3 Calibration Mix 1 Price on request 70447 1-Naphthylamine Price on request B689350 BTS 44595, 10mg Price on request