9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one

9,10-二氢-4H-苯并[4,5]环庚三烯[1,2-b]噻吩-4-酮

Also known as: 4H-Benzo[4,5]cyclohepta[1,2-b]thiophen-4-one,9,10-dihydro-, 4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene, 9,10-Dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thiophen-4-one, 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]-4-thiophenone, 9,10-Dihydro-4H-benzo[4,5]cyclohepta[b]-thiophen-4-one, 9,10-dihydro-1-thiabenzo[f]azulen-4-one, 4,5-dihydrobenzo[1,2]cyclohepta[3,4-b]thiophen-10-one, Pizotifen Impurity 1, Ketotifen main ring

9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one (CAS 1622-55-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H10OS and a molecular weight of 214.28300 g/mol. It is also known as 4H-Benzo[4,5]cyclohepta[1,2-b]thiophen-4-one,9,10-dihydro-, 4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene and 9,10-Dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thiophen-4-one. Key properties include a boiling point of 371.1ºC at 760 mmHg, a density of 1.262g/cm3 and a flash point of 178.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1622-55-5

Jingsj CID

J-1108925-6

Molecular Formula

C₁₃H₁₀OS

Chinese Name

9,10-二氢-4H-苯并[4,5]环庚三烯[1,2-b]噻吩-4-酮

Molecular Weight

214.28300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026