7-Methyl-1,4-dihydrothieno[2,3-b]pyrazine-2,3-dione

7-甲基-1,4-二氢噻吩并[2,3-b]吡嗪-2,3-二酮

Also known as: Thieno[2,3-b]pyrazine-2,3-dione, 1,4-dihydro-7-methyl- (9CI), 7-METHYL-1,4-DIHYDROTHIENO[2,3-B]PYRAZINE-2,3-DIONE, 7-methyl-1,4-dihydrothieno[2,3-b]pyrazine-2,3-dione, 7-Methylthieno[2,3-b]pyrazine-2,3(1H,4H)-dione

7-Methyl-1,4-dihydrothieno[2,3-b]pyrazine-2,3-dione (CAS 149587-33-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6N2O2S and a molecular weight of 182.20000 g/mol. It is also known as Thieno[2,3-b]pyrazine-2,3-dione, 1,4-dihydro-7-methyl- (9CI), 7-METHYL-1,4-DIHYDROTHIENO[2,3-B]PYRAZINE-2,3-DIONE and 7-methyl-1,4-dihydrothieno[2,3-b]pyrazine-2,3-dione. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 149587-33-7
Jingsj CID: J-896919-2
Molecular Formula: C₇H₆N₂O₂S
Chinese Name: 7-甲基-1,4-二氢噻吩并[2,3-b]吡嗪-2,3-二酮
Molecular Weight: 182.20000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 7-Methyl-1,4-dihydrothieno[2,3-b]pyrazine-2,3-dione?

The CAS number of 7-Methyl-1,4-dihydrothieno[2,3-b]pyrazine-2,3-dione is 149587-33-7.

What are the molecular formula and molecular weight of 7-Methyl-1,4-dihydrothieno[2,3-b]pyrazine-2,3-dione?

7-Methyl-1,4-dihydrothieno[2,3-b]pyrazine-2,3-dione has molecular formula C7H6N2O2S and molecular weight 182.20000 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "7-Methyl-1,4-dihydrothieno[2,3-b]pyrazine-2,3-dione (CAS 149587-33-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-896919-2 (accessed 2026-10-23).

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