CAS 130047-14-2 appears in our catalog under these names: Methyl 4-[(chlorosulfonyl)methyl]benzoate, 98%, Methyl 4–((chlorosulfonyl)methyl)benzoate, methyl 4-((chlorosulfonyl)methyl)benzoate, Methyl 4-[(chlorosulfonyl)methyl]benzoate, 95% , Methyl 4-((chlorosulfonyl)methyl)benzoate 98%. Offered by: Combi-blocks, GLPBio, Biosynth, Thermo Scientific, Ambeed. Available pack sizes: 250mg, 5g, 10g, 1g, 25g, 100mg, 2,5g.