2-(2-Oxoindolin-4-yl)ethyl 4-methylbenzenesulfonate

4-(2'-羟乙基)氧化吲哚对甲苯磺酸酯

Also known as: 4-[2'-[[(4-Methylphenyl)sulfonyl]oxy]ethyl]-1,3-dihydro-2H-indole-2-one, 4-[2-[[(4-Methylphenyl)sulfonyl]oxy]ethyl]-1,3-dihydro-2H-indole-2-one, 4-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-2-oxoindole, 1,3-Dihydro-4-[2-[[(4-Methylphenyl)sulfonyl]oxy]ethyl]-, 4-[2'-[[(4-Methylphenyl)sulfonyl]oxy]ethyl]- 1,3-di- hydro -2H-Indol-2-one, 4-methylbenzenesulfonic acid 2-(2-oxo-4-indolyl)ethyl ester, Ropinirole Intermediate 6, Ropinirole Tosyl Derivative

CAS No.: 139122-20-6
Jingsj CID: J-1147876-4
Molecular Formula: C₁₇H₁₇NO₄S
Chinese Name: 4-(2'-羟乙基)氧化吲哚对甲苯磺酸酯
Molecular Weight: 331.38600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	561.181ºC at 760 mmHg
Density	1.311

Frequently Asked Questions

What is the CAS number of 2-(2-Oxoindolin-4-yl)ethyl 4-methylbenzenesulfonate?

139122-20-6

What are the molecular formula and molecular weight of 2-(2-Oxoindolin-4-yl)ethyl 4-methylbenzenesulfonate?

C17H17NO4S, molecular weight 331.38600 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026