1-Methyl-2-oxoindoline-5-sulfonyl chloride

1-甲基-2-氧代吲哚啉-5-磺酰氯

Also known as: 1-Methyl-2-oxo-5-indolinesulfonyl chloride, 1-Methyl-2-oxo-2,3-dihydro-1H-indole-5-sulfonyl chloride, 2,3-Dihydro-1-methyl-2-oxo-1H-indole-5-sulfonyl chloride, 1-Methyl-2-oxoindoline-5-sulphonyl chloride, 1H-Indole-5-sulfonyl chloride, 2,3-dihydro-1-methyl-2-oxo-, 1-Methyl-2-oxindole-5-sulphonyl chloride 95%

1-Methyl-2-oxoindoline-5-sulfonyl chloride (CAS 166883-20-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8ClNO3S and a molecular weight of 245.68300 g/mol. It is also known as 1-Methyl-2-oxo-5-indolinesulfonyl chloride, 1-Methyl-2-oxo-2,3-dihydro-1H-indole-5-sulfonyl chloride and 2,3-Dihydro-1-methyl-2-oxo-1H-indole-5-sulfonyl chloride. Key properties include a melting point of 154ºC, a boiling point of 496ºC at 760mmHg, a density of 1.509g/cm3 and a flash point of 253.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
166883-20-1
Jingsj CID
J-1115058-1
Molecular Formula
C9H8ClNO3S
Chinese Name
1-甲基-2-氧代吲哚啉-5-磺酰氯
Molecular Weight
245.68300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point154ºC
Boiling Point496ºC at 760mmHg
Density1.509g/cm3
Flash Point253.8ºC

Frequently Asked Questions

What is the CAS number of 1-Methyl-2-oxoindoline-5-sulfonyl chloride?

The CAS number of 1-Methyl-2-oxoindoline-5-sulfonyl chloride is 166883-20-1.

What are the molecular formula and molecular weight of 1-Methyl-2-oxoindoline-5-sulfonyl chloride?

1-Methyl-2-oxoindoline-5-sulfonyl chloride has molecular formula C9H8ClNO3S and molecular weight 245.68300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Methyl-2-oxoindoline-5-sulfonyl chloride (CAS 166883-20-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1115058-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.