5-{4-oxo-4H,4aH-thieno[2,3-d]pyrimidin-5-yl}thiophene-2-carboxylic acid
5-(4-氧代-4H,4aH-噻吩并[2,3-d]嘧啶-5-基)噻吩-2-甲酸
5-{4-oxo-4H,4aH-thieno[2,3-d]pyrimidin-5-yl}thiophene-2-carboxylic acid (CAS 2137781-88-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H6N2O3S2 and a molecular weight of 278.3 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2137781-88-3
- Jingsj CID
- J-563889-9
- Molecular Formula
- C11H6N2O3S2
- Chinese Name
- 5-(4-氧代-4H,4aH-噻吩并[2,3-d]嘧啶-5-基)噻吩-2-甲酸
- Molecular Weight
- 278.3 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of 5-{4-oxo-4H,4aH-thieno[2,3-d]pyrimidin-5-yl}thiophene-2-carboxylic acid?
The CAS number of 5-{4-oxo-4H,4aH-thieno[2,3-d]pyrimidin-5-yl}thiophene-2-carboxylic acid is 2137781-88-3.
What are the molecular formula and molecular weight of 5-{4-oxo-4H,4aH-thieno[2,3-d]pyrimidin-5-yl}thiophene-2-carboxylic acid?
5-{4-oxo-4H,4aH-thieno[2,3-d]pyrimidin-5-yl}thiophene-2-carboxylic acid has molecular formula C11H6N2O3S2 and molecular weight 278.3 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-{4-oxo-4H,4aH-thieno[2,3-d]pyrimidin-5-yl}thiophene-2-carboxylic acid (CAS 2137781-88-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-563889-9 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.