Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 678243 Tris(2,4-di-tert-butylphenyl) phosphite, 250mg Price on request 19467 4-Bromofluorobenzene Price on request 96081 Chlormequat-1,1,2,2-d4 chloride, 100µg/ml in Water, 1ml Price on request