Heptachlor Back Catalog number: 79300 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678206 D4-Thiabendazole, 43678mg Price on request 675073 Quizalofop-methyl, 20mg Price on request S-4076-K-TX5 Deuterated Surrogate Standard 5 Analyte, 1000 µg/mL in toluene; units: 1x1mL, 1x5mL 0978.10 Naphthalene-d8 [1146-65-2] 1086.12 Biphenyl-d10 [1486-01-7] 0389.14 Phenanthrene-d10 [1 Price on request