3-(Cyanoacetyl)indole

Also known as: 3-(1H-INDOL-3-YL)-3-OXO-PROPIONITRILE, 3-(1H-INDOL-3-YL)-3-OXOPROPANENITRILE, 3-(1H-Indol-3-yl)-3-oxopropanenitrile, 3-(1H-indol-3-yl)-3-keto-propionitrile, 3-(2-Cyanoacetyl)-1H-indole, 3-Cyanoacetyl-1H-indole, AKOS BBS-00006916, β-Oxo-1H-indole-3-propanenitrile

3-(Cyanoacetyl)indole (CAS 20356-45-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8N2O and a molecular weight of 184.19400 g/mol. Key properties include a melting point of 241ºC, a boiling point of 447.2ºC at 760 mmHg, a density of 1.285 g/cm3 and a flash point of 224.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20356-45-0
Jingsj CID: J-1505735-9
Molecular Formula: C₁₁H₈N₂O
Molecular Weight: 184.19400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	241ºC
Boiling Point	447.2ºC at 760 mmHg
Density	1.285 g/cm3
Flash Point	224.3ºC
Exact Mass	184.06400
PSA	56.65000
LogP	2.26428
Vapor Pressure	3.43E-08mmHg at 25°C
Refractive Index	1.663

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 3-(Cyanoacetyl)indole?

The CAS number of 3-(Cyanoacetyl)indole is 20356-45-0.

What are the molecular formula and molecular weight of 3-(Cyanoacetyl)indole?

3-(Cyanoacetyl)indole has molecular formula C11H8N2O and molecular weight 184.19400 g/mol.

What are the upstream and downstream products of 3-(Cyanoacetyl)indole?

For 3-(Cyanoacetyl)indole, Upstream Products: Indole, Cyanoacetic acid, 2-Chloro-1-(1H-indol-3-yl)ethanone; Downstream Products: 3-Acetylindole, 1-(1-Methyl-1H-indol-3-yl)ethanone, 1-(1-ETHYL-1H-INDOL-3-YL)ETHANONE.

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. "3-(Cyanoacetyl)indole (CAS 20356-45-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505735-9 (accessed 2026-11-09).

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