5-Acetylthiophene-2-carbaldehyde
5-乙酰基-2-噻吩甲醛
Also known as: 2-Acetyl-5-formylthiophene, 2-Ethanoyl-5-formylthiophene, 5-Acetyl-2-thenaldehyde, 2-Thiophenecarboxaldehyde, 5-acetyl-, 5-Acetyl-2-thiophenecarbaldehyde, 5-Acetylthiophene-2-carbaldehyde, 5-Formyl-2-acetylthiophene, MFCD00509280
5-Acetylthiophene-2-carbaldehyde (CAS 4565-29-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6O2S and a molecular weight of 154.186 g/mol. It is also known as 2-Acetyl-5-formylthiophene, 2-Ethanoyl-5-formylthiophene and 5-Acetyl-2-thenaldehyde. Key properties include a melting point of 104-105°C, a boiling point of 307.4±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 139.7±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4565-29-1
- Jingsj CID
- J-45112-3
- Molecular Formula
- C7H6O2S
- Chinese Name
- 5-乙酰基-2-噻吩甲醛
- Molecular Weight
- 154.186 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 104-105°C |
|---|---|
| Boiling Point | 307.4±27.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 139.7±23.7 °C |
Frequently Asked Questions
What is the CAS number of 5-Acetylthiophene-2-carbaldehyde?
The CAS number of 5-Acetylthiophene-2-carbaldehyde is 4565-29-1.
What are the molecular formula and molecular weight of 5-Acetylthiophene-2-carbaldehyde?
5-Acetylthiophene-2-carbaldehyde has molecular formula C7H6O2S and molecular weight 154.186 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Acetylthiophene-2-carbaldehyde (CAS 4565-29-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45112-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.