6-Chloro-2,3-dihydro-4H-thieno[3,2-e][1,2]thiazin-4-one 1,1-dioxide

6-氯-2,3-二氢-4H-噻吩并[3,2-e][1,2]噻嗪-4-酮 1,1-二氧化物

Also known as: 6-Chloro-2H-thieno[3,2-e][1,2]thiazin-4(3H)-one 1,1-dioxide, 3,4-Dihydro-6-chloro-4-oxo-2H-thieno[3,2-e]-1,2-thiazine 1,1-dioxide, Brinzolamide Impurity 20, 6-Chloro-1,1-dioxo-2,3-dihydrothieno[3,2-e]thiazin-4-one, 4H-Thieno[3,2-e]-1,2-thiazin-4-one, 6-chloro-2,3-dihydro-, 1,1-dioxide

6-Chloro-2,3-dihydro-4H-thieno[3,2-e][1,2]thiazin-4-one 1,1-dioxide (CAS 174139-69-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4ClNO3S2 and a molecular weight of 237.68400 g/mol. It is also known as 6-Chloro-2H-thieno[3,2-e][1,2]thiazin-4(3H)-one 1,1-dioxide, 3,4-Dihydro-6-chloro-4-oxo-2H-thieno[3,2-e]-1,2-thiazine 1,1-dioxide and Brinzolamide Impurity 20. Key properties include a boiling point of 461.725ºC at 760 mmHg and a flash point of 233.043ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

174139-69-6

Jingsj CID

J-987963-2

Molecular Formula

C₆H₄ClNO₃S₂

Chinese Name

6-氯-2,3-二氢-4H-噻吩并[3,2-e][1,2]噻嗪-4-酮 1,1-二氧化物

Molecular Weight

237.68400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026