(2E)-2-[(2E)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]-3,4-dihydronaphthalen-1(2H)-one

(2E)-2-[(2E)-2-(1,3,3-三甲基-1,3-二氢-2H-吲哚-2-亚基)亚乙基]-3,4-二氢萘-1(2H)-酮

Also known as: (2E)-2-[(2E)-2-(1,3,3-TRIMETHYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)ETHYLIDENE]-3,4-DIHYDRONAPHTHALEN-1(2H)-ONE, 2-[2-(1,3,3-trimethylindol-2-ylidene)ethylidene]-3,4-dihydronaphthalen-1-one, 2-[(1,3,3-trimethyl-1,3-dihydro-indol-2-ylidene)-ethylidene]-3,4-dihydro-2H-naphthalen-1-one, 1(2H)-NAPHTHALENONE, 2-[(1,3-DIHYDRO-1,3,3-TRIMETHYL-2H-INDOL-2-YLIDENE)ETHYLIDENE]-3,4-DIHYDRO-, (E)-2-((E)-1,3,3-Trimethylindolin-2-ylidene)ethylidene)-3,4-dihydronaphthalen-1-one, 2-[2-(1,3,3-trimethylindolin-2-ylidene)ethylidene]-1-tetralone, trans-2-[trans-2-(1,3,3-Trimethyl-2-indolinylidene)ethylidene]-1-tetralone

(2E)-2-[(2E)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]-3,4-dihydronaphthalen-1(2H)-one (CAS 53704-25-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C23H23NO and a molecular weight of 329.43500 g/mol. It is also known as (2E)-2-[(2E)-2-(1,3,3-TRIMETHYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)ETHYLIDENE]-3,4-DIHYDRONAPHTHALEN-1(2H)-ONE, 2-[2-(1,3,3-trimethylindol-2-ylidene)ethylidene]-3,4-dihydronaphthalen-1-one and 2-[(1,3,3-trimethyl-1,3-dihydro-indol-2-ylidene)-ethylidene]-3,4-dihydro-2H-naphthalen-1-one. Key properties include a boiling point of 473.5ºC at 760 mmHg, a density of 1.203g/cm3 and a flash point of 177.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 53704-25-9
Jingsj CID: J-956958-2
Molecular Formula: C₂₃H₂₃NO
Chinese Name: (2E)-2-[(2E)-2-(1,3,3-三甲基-1,3-二氢-2H-吲哚-2-亚基)亚乙基]-3,4-二氢萘-1(2H)-酮
Molecular Weight: 329.43500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	473.5ºC at 760 mmHg
Density	1.203g/cm3
Flash Point	177.3ºC

Frequently Asked Questions

What is the CAS number of (2E)-2-[(2E)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]-3,4-dihydronaphthalen-1(2H)-one?

The CAS number of (2E)-2-[(2E)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]-3,4-dihydronaphthalen-1(2H)-one is 53704-25-9.

What are the molecular formula and molecular weight of (2E)-2-[(2E)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]-3,4-dihydronaphthalen-1(2H)-one?

(2E)-2-[(2E)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]-3,4-dihydronaphthalen-1(2H)-one has molecular formula C23H23NO and molecular weight 329.43500 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(2E)-2-[(2E)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]-3,4-dihydronaphthalen-1(2H)-one (CAS 53704-25-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-956958-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.