alpha-HCH, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673614 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675647 Prosulfuron, 10.0 µg/ml, Acetonitrile, 10ml Price on request 684108 Propazine, 10.0 µg/ml, Acetonitrile, 10ml Price on request 679382 N-Nitrosodiethanolamine, 100mg Price on request