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5,6-Dichloro-1,3-dihydro-2H-indol-2-one

Also known as: 5,6-Dichloro-1,3-dihydro-2H-indol-2-one, 5,6-Dichloroindolin-2-one, 5,6-Dichloro-2-oxindole, 5,6-Dichloro-2,3-dihydro-1H-indol-2-one, 5,6-Dichloroindolin-2-one, 5,6-dichloro-1,3-dihydroindol-2-one, 2H-Indol-2-one, 5,6-dichloro-1,3-dihydro-, 5,6-Dichloro-1,3-dihydro-2H-indol-2-one, 95+%

5,6-Dichloro-1,3-dihydro-2H-indol-2-one (CAS 71293-59-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5Cl2NO and a molecular weight of 202.037 g/mol. Key properties include a boiling point of 365.1±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 174.6±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
71293-59-9
Jingsj CID
J-1510190-3
Molecular Formula
C8H5Cl2NO
Molecular Weight
202.037 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point365.1±42.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point174.6±27.9 °C
Exact Mass200.974823
PSA29.10000
LogP3.01
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.615

Customs & Trade Information

HS Code2933790090
Summary2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5,6-Dichloro-1,3-dihydro-2H-indol-2-one?

The CAS number of 5,6-Dichloro-1,3-dihydro-2H-indol-2-one is 71293-59-9.

What are the molecular formula and molecular weight of 5,6-Dichloro-1,3-dihydro-2H-indol-2-one?

5,6-Dichloro-1,3-dihydro-2H-indol-2-one has molecular formula C8H5Cl2NO and molecular weight 202.037 g/mol.

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

Last updated:

How to cite: Jingsj. "5,6-Dichloro-1,3-dihydro-2H-indol-2-one (CAS 71293-59-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510190-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.