Heptachlor Back Catalog number: 70192 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676396 2,3-Dichlorotoluene, 250mg Price on request 680530 Halauxifen (free acid), 100 µg/ml, Acetonitrile, Price on request 40000 EPA Method 601 Purgeable Halocarbons Price on request