2-Formylthiophene-3-carboxylic acid
2-甲酰基噻吩-3-羧酸
Also known as: 2-Formyl-3-thiophenecarboxylic acid, 2-Formylthiophene-3-carboxylic acid, 3-Thiophenecarboxylic acid, 2-formyl-, 2-Formyl-3-thiophenecarboxylic acid (2-Formylthiophene-3-carboxylic acid)
2-Formylthiophene-3-carboxylic acid (CAS 19991-69-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4O3S and a molecular weight of 156.159 g/mol. It is also known as 2-Formyl-3-thiophenecarboxylic acid, 3-Thiophenecarboxylic acid, 2-formyl- and 2-Formyl-3-thiophenecarboxylic acid (2-Formylthiophene-3-carboxylic acid). Key properties include a boiling point of 359.8±27.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 171.4±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19991-69-6
- Jingsj CID
- J-1418804-6
- Molecular Formula
- C6H4O3S
- Chinese Name
- 2-甲酰基噻吩-3-羧酸
- Molecular Weight
- 156.159 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 359.8±27.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 171.4±23.7 °C |
Frequently Asked Questions
What is the CAS number of 2-Formylthiophene-3-carboxylic acid?
The CAS number of 2-Formylthiophene-3-carboxylic acid is 19991-69-6.
What are the molecular formula and molecular weight of 2-Formylthiophene-3-carboxylic acid?
2-Formylthiophene-3-carboxylic acid has molecular formula C6H4O3S and molecular weight 156.159 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Formylthiophene-3-carboxylic acid (CAS 19991-69-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1418804-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.