CAS 1603480 appears in our catalog under these names: (R)-(-)-1,3-Butanediol/ 99.68% (existing batch purity), (R)-(-)-1,3-Butanediol, 97%, 3-Propylbenzene-1-sulfonyl chloride, 95%, 3-Propylbenzene-1-sulfonyl chloride. Offered by: TargetMol, Fluorochem, AmBeed, Biosynth. Available pack sizes: 1g, 5g, 10g, 1mg, 25g, 100g, 500g, 1kg.