2-[2-(3-ethyl-1,3-benzothiazol-2-ylidene)ethylidene]-3,4-dihydronaphthalen-1-one

(2E)-2-[(2Z)-2-(3-乙基-1,3-苯并噻唑-2(3H)-基)亚乙基]-3,4-二氢萘-1(2H)-酮

Also known as: 1(2H)-Naphthalenone, 2-[2-(3-ethyl-2(3H)-benzothiazolylidene)ethylidene]-3,4-dihydro-, 1(2H)-Naphthalenone, 2-[(3-ethyl-2(3H)-benzothiazolylidene)ethylidene]-3,4-dihydro-, (2E)-2-[(2Z)-2-(3-ethyl-1,3-benzothiazol-2(3H)-ylidene)ethylidene]-3,4-dihydronaphthalen-1(2H)-one

2-[2-(3-ethyl-1,3-benzothiazol-2-ylidene)ethylidene]-3,4-dihydronaphthalen-1-one (CAS 53704-21-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H19NOS and a molecular weight of 333.44700 g/mol. It is also known as 1(2H)-Naphthalenone, 2-[2-(3-ethyl-2(3H)-benzothiazolylidene)ethylidene]-3,4-dihydro-, 1(2H)-Naphthalenone, 2-[(3-ethyl-2(3H)-benzothiazolylidene)ethylidene]-3,4-dihydro- and (2E)-2-[(2Z)-2-(3-ethyl-1,3-benzothiazol-2(3H)-ylidene)ethylidene]-3,4-dihydronaphthalen-1(2H)-one. Key properties include a boiling point of 474.8ºC at 760 mmHg, a density of 1.321g/cm3 and a flash point of 240.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

53704-21-5

Jingsj CID

J-1504529-6

Molecular Formula

C₂₁H₁₉NOS

Chinese Name

(2E)-2-[(2Z)-2-(3-乙基-1,3-苯并噻唑-2(3H)-基)亚乙基]-3,4-二氢萘-1(2H)-酮

Molecular Weight

333.44700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026