CAS 82979 appears in our catalog under these names: 2,2′-Dipyridyl disulfide/ 99.94% (existing batch purity), 2,2'-Dipyridyl disulphide, 98%, Methyl 2-chloro-2-cyclopropylideneacetate, 98%, Methyl 2-chloro-2-cyclopropylideneacetate, Methyl 2-chloro-2-cyclopropylideneacetate 95%. Offered by: TargetMol, Fluorochem, AmBeed, Biosynth, Chemat. Available pack sizes: 5g, 10g, 25g, 50g, 100g, 250g, 500g, 1kg.