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6,7-Dihydro-1-benzothiophen-4(5H)-one

Also known as: 4-Keto-4,5,6,7-tetrahydrothianaphthalene, 4-Keto-4,5,6,7-tetrahydrothianaphthene, 4-Oxo-4,5,6,7-tetrahydrobenzo[b]thiophene, 4-Oxo-4,5,6,7-tetrahydrothianaphthene, 6,7-Dihydro-5H-benzo[b]thiophen-4-one, Tetrahydrobenzo(b)thiophen-4-one, 4-Keto-4,5,6,7-tetrahydrothianaphthene, GC 97%, 4-Oxotetrahydrobenzo(b)thiophene, 6,7-dihydro-5H-1-benzothiophen-4-one, EINECS 236-510-7, MFCD00005861, RARECHEM AK MA K003

6,7-Dihydro-1-benzothiophen-4(5H)-one (CAS 13414-95-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8OS and a molecular weight of 152.21 g/mol. Key properties include a melting point of 38-40ºC(lit.), a boiling point of 267.0±9.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 115.3±18.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13414-95-4
Jingsj CID
J-9185-0
Molecular Formula
C8H8OS
Molecular Weight
152.21 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point38-40ºC(lit.)
Boiling Point267.0±9.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point115.3±18.7 °C
Exact Mass152.029587
PSA45.31000
LogP2.39
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.595
Additional PropertySoluble in chloroform.

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. 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 6,7-Dihydro-1-benzothiophen-4(5H)-one?

The CAS number of 6,7-Dihydro-1-benzothiophen-4(5H)-one is 13414-95-4.

What are the molecular formula and molecular weight of 6,7-Dihydro-1-benzothiophen-4(5H)-one?

6,7-Dihydro-1-benzothiophen-4(5H)-one has molecular formula C8H8OS and molecular weight 152.21 g/mol.

What are the upstream and downstream products of 6,7-Dihydro-1-benzothiophen-4(5H)-one?

For 6,7-Dihydro-1-benzothiophen-4(5H)-one, Upstream Products: 4-(2-Thienyl)butyric acid, 4-Oxo-4-(2-thienyl)butyric acid, Propionic anhydride; Downstream Products: 4,5,6,7-Tetrahydro-1-benzothiophen-4-amine, 4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic acid, 5,6,7,8-Tetrahydro-4H-thieno[3,2-b]azepine.

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

Last updated:

How to cite: Jingsj. "6,7-Dihydro-1-benzothiophen-4(5H)-one (CAS 13414-95-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9185-0 (accessed 2026-11-09).

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