1-(5-chloro-1H-indol-3-yl)ethanone

Also known as: 3-acetyl-5-chloroindole, 5-chloro-3-acetyl-indole, 5-chloro-3-indolyl ethanone, 1-(5-chloro-1H-indol-3-yl)ethan-1-one

1-(5-chloro-1H-indol-3-yl)ethanone (CAS 51843-24-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8ClNO and a molecular weight of 193.63000 g/mol. Key properties include a melting point of 168°C, a boiling point of 367.9ºC at 760 mmHg, a density of 1.332g/cm3 and a flash point of 176.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 51843-24-4
Jingsj CID: J-1519438-4
Molecular Formula: C₁₀H₈ClNO
Molecular Weight: 193.63000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	168°C
Boiling Point	367.9ºC at 760 mmHg
Density	1.332g/cm3
Flash Point	176.3ºC
Exact Mass	193.02900
PSA	32.86000
LogP	3.02390
Refractive Index	1.656

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 1-(5-chloro-1H-indol-3-yl)ethanone?

The CAS number of 1-(5-chloro-1H-indol-3-yl)ethanone is 51843-24-4.

What are the molecular formula and molecular weight of 1-(5-chloro-1H-indol-3-yl)ethanone?

1-(5-chloro-1H-indol-3-yl)ethanone has molecular formula C10H8ClNO and molecular weight 193.63000 g/mol.

What are the upstream and downstream products of 1-(5-chloro-1H-indol-3-yl)ethanone?

For 1-(5-chloro-1H-indol-3-yl)ethanone, Upstream Products: 5-Chloroindole, Acetyl chloride, N,N-Dimethylacetamide.

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. "1-(5-chloro-1H-indol-3-yl)ethanone (CAS 51843-24-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519438-4 (accessed 2026-11-09).

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