3-Amino-2,3-dihydrobenzo[b]thiophene 1,1-dioxide

3-氨基-2,3-二氢苯并[b]噻吩1,1-二氧化物

Also known as: 1,1-dioxo-2,3-dihydro-1-benzothiophen-3-amine, 2,3-Dihydro-1-benzothiophen-3-amine 1,1-dioxide, 2,3-dihydrobenzo[b]thiophen-3-amine 1,1-dioxide, 3-Amino-2,3-dihydro-1lambda6-benzothiophene-1,1-dione, Benzo[b]thiophen-3-amine, 2,3-dihydro-, 1,1-dioxide, EINECS 281-115-5

3-Amino-2,3-dihydrobenzo[b]thiophene 1,1-dioxide (CAS 83863-51-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9NO2S and a molecular weight of 183.22800 g/mol. It is also known as 1,1-dioxo-2,3-dihydro-1-benzothiophen-3-amine, 2,3-Dihydro-1-benzothiophen-3-amine 1,1-dioxide and 2,3-dihydrobenzo[b]thiophen-3-amine 1,1-dioxide. Key properties include a boiling point of 371.7ºC at 760 mmHg, a density of 1.381g/cm3 and a flash point of 178.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

83863-51-8

Jingsj CID

J-1496546-5

Molecular Formula

C₈H₉NO₂S

Chinese Name

3-氨基-2,3-二氢苯并[b]噻吩1,1-二氧化物

Molecular Weight

183.22800 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026