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 MET-12478CM1-1ML Metolachlor ESA sodium salt, 100µg/ml in MeOH, 1ml Price on request 61014 Minn Dept of Health List - Mix #5 Price on request 90611 525/526 Internal Standard Price on request