5,7-Dichloro-1H-indole-2,3-dione

Also known as: 5,7-Dichloroisatin, 5,7-Dichloroindoline-2,3-dione, 1H-Indole-2,3-dione, 5,7-dichloro-

5,7-Dichloro-1H-indole-2,3-dione (CAS 6374-92-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H3Cl2NO2 and a molecular weight of 216.021 g/mol. Key properties include a melting point of 218-223ºC(lit.) and a density of 1.6±0.1 g/cm3. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6374-92-1
Jingsj CID: J-26228-2
Molecular Formula: C₈H₃Cl₂NO₂
Molecular Weight: 216.021 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	218-223ºC(lit.)
Density	1.6±0.1 g/cm3
Exact Mass	214.954086
PSA	46.17000
LogP	1.67
Refractive Index	1.638

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

H302 — Harmful if swallowed
H318 — Causes serious eye damage

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5,7-Dichloro-1H-indole-2,3-dione?

The CAS number of 5,7-Dichloro-1H-indole-2,3-dione is 6374-92-1.

What are the molecular formula and molecular weight of 5,7-Dichloro-1H-indole-2,3-dione?

5,7-Dichloro-1H-indole-2,3-dione has molecular formula C8H3Cl2NO2 and molecular weight 216.021 g/mol.

Is 5,7-Dichloro-1H-indole-2,3-dione hazardous?

5,7-Dichloro-1H-indole-2,3-dione has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5,7-Dichloro-1H-indole-2,3-dione (CAS 6374-92-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26228-2 (accessed 2026-11-09).

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