Benzo[b]thiophene-3(2H)-one 1,1-dioxide

苯并[b]噻吩-3(2H)-酮-1,1-二氧化物

Also known as: 3-Oxo-2,3-dihydrobenzo[b]thiophene 1,1-dioxide, 1,1-Dioxobenzothiophen-3-one, 1,1-Diketobenzothiophen-3-one, 1,1-Dioxo-1-benzothiophen-3-one, 3-Oxo-2,3-dihydro-1-benzothiophene 1,1-dioxide, Benzo[b]thiophen-3(2H)-one 1,1-dioxide

CAS No.
1127-35-1
Jingsj CID
J-47530-9
Molecular Formula
C8H6O3S
Chinese Name
苯并[b]噻吩-3(2H)-酮-1,1-二氧化物
Molecular Weight
182.19600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point424.6ºC
Density1.498 g/cm3
Flash Point294.2ºC

Frequently Asked Questions

What is the CAS number of Benzo[b]thiophene-3(2H)-one 1,1-dioxide?

1127-35-1

What are the molecular formula and molecular weight of Benzo[b]thiophene-3(2H)-one 1,1-dioxide?

C8H6O3S, molecular weight 182.19600 g/mol

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