5,6-Dihydro-4H-cyclopenta[b]thiophen-4-one

5,6-二氢环戊并[b]噻吩-4-酮

Also known as: 4H-Cyclopenta[b]thiophen-4-one, 5,6-dihydro-, 5,6-Dihydrocyclopenta[b]thiophen-4-one, AKOS BB-9698, 4H,5H,6H-cyclopenta[b]thiophen-4-one

CAS No.
5650-51-1
Jingsj CID
J-1498956-2
Molecular Formula
C7H6OS
Chinese Name
5,6-二氢环戊并[b]噻吩-4-酮
Molecular Weight
138.187 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point115-117ºC
Boiling Point239.6±9.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point98.7±18.7 °C

Frequently Asked Questions

What is the CAS number of 5,6-Dihydro-4H-cyclopenta[b]thiophen-4-one?

5650-51-1

What are the molecular formula and molecular weight of 5,6-Dihydro-4H-cyclopenta[b]thiophen-4-one?

C7H6OS, molecular weight 138.187 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026