3-Cyanochromone

Also known as: 4-Oxo-4H-chromene-3-carbonitrile, 4-Oxo-4H-1-benzopyran-3-carbonitrile, Chromone-3-carbonitrile, 4-oxochromene-3-carbonitrile

3-Cyanochromone (CAS 50743-17-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H5NO2 and a molecular weight of 171.15200 g/mol. Key properties include a melting point of 174-176 °C(lit.), a boiling point of 278.3ºC at 760 mmHg, a density of 1.34g/cm3 and a flash point of 119.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 50743-17-4
Jingsj CID: J-17877-8
Molecular Formula: C₁₀H₅NO₂
Molecular Weight: 171.15200 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	174-176 °C(lit.)
Boiling Point	278.3ºC at 760 mmHg
Density	1.34g/cm3
Flash Point	119.5ºC
Exact Mass	171.03200
PSA	54.00000
LogP	1.66468
Refractive Index	1.621

Customs & Trade Information

HS Code	2926909090
Summary	HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Cyanochromone?

The CAS number of 3-Cyanochromone is 50743-17-4.

What are the molecular formula and molecular weight of 3-Cyanochromone?

3-Cyanochromone has molecular formula C10H5NO2 and molecular weight 171.15200 g/mol.

What are the upstream and downstream products of 3-Cyanochromone?

For 3-Cyanochromone, Upstream Products: 4-Oxo-4H-chromene-3-carbaldehyde, 2'-Hydroxyacetophenone, N,N-Dimethylformamide; Downstream Products: Chromone-3-carboxylic acid, 1-Azaxanthone, 2-AMINO-3-FORMYLCHROMONE.

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-Cyanochromone (CAS 50743-17-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17877-8 (accessed 2026-11-09).

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