Heptachlor, 100 µg/ml, Ethyl acetate, 1ml Back Catalog number: 676691 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 79452 2,4’-DDT Price on request 680418 L-Methionine, 100mg Price on request 95490 EPA Method 524.3Gases Price on request