7-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid

7-溴-2,3-二氢噻吩并[3,4-b][1,4]二噁英-5-羧酸

Also known as: 7-bromo-2H,3H-thieno[3,4-b][1,4]dioxine-5-carboxylic acid, Thieno[3,4-b]-1,4-dioxin-5-carboxylic acid, 7-bromo-2,3-dihydro-

7-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid (CAS 879896-63-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5BrO4S and a molecular weight of 265.08100 g/mol. It is also known as 7-bromo-2H,3H-thieno[3,4-b][1,4]dioxine-5-carboxylic acid and Thieno[3,4-b]-1,4-dioxin-5-carboxylic acid, 7-bromo-2,3-dihydro-. Key properties include a boiling point of 389.8ºC at 760 mmHg, a density of 1.941g/cm3 and a flash point of 189.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
879896-63-6
Jingsj CID
J-1521505-9
Molecular Formula
C7H5BrO4S
Chinese Name
7-溴-2,3-二氢噻吩并[3,4-b][1,4]二噁英-5-羧酸
Molecular Weight
265.08100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point389.8ºC at 760 mmHg
Density1.941g/cm3
Flash Point189.5ºC

Frequently Asked Questions

What is the CAS number of 7-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid?

The CAS number of 7-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid is 879896-63-6.

What are the molecular formula and molecular weight of 7-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid?

7-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid has molecular formula C7H5BrO4S and molecular weight 265.08100 g/mol.

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

Last updated:

How to cite: Jingsj. "7-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid (CAS 879896-63-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1521505-9 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.