5-(Phenylethynyl)thiophene-2-carbaldehyde
5-(苯乙炔基)噻吩-2-甲醛
Also known as: 5-(Phenylethynyl)-2-thiophenecarbaldehyde, 5-Phenylethynylthiophene-2-carbaldehyde, 5-(2-Phenylethynyl)thiophene-2-carbaldehyde, 2-Thiophenecarboxaldehyde, 5-(2-phenylethynyl)-
5-(Phenylethynyl)thiophene-2-carbaldehyde (CAS 17257-10-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H8OS and a molecular weight of 212.267 g/mol. It is also known as 5-(Phenylethynyl)-2-thiophenecarbaldehyde, 5-Phenylethynylthiophene-2-carbaldehyde and 5-(2-Phenylethynyl)thiophene-2-carbaldehyde. Key properties include a boiling point of 388.6±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 188.8±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17257-10-2
- Jingsj CID
- J-1493507-9
- Molecular Formula
- C13H8OS
- Chinese Name
- 5-(苯乙炔基)噻吩-2-甲醛
- Molecular Weight
- 212.267 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 388.6±27.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 188.8±23.7 °C |
Frequently Asked Questions
What is the CAS number of 5-(Phenylethynyl)thiophene-2-carbaldehyde?
The CAS number of 5-(Phenylethynyl)thiophene-2-carbaldehyde is 17257-10-2.
What are the molecular formula and molecular weight of 5-(Phenylethynyl)thiophene-2-carbaldehyde?
5-(Phenylethynyl)thiophene-2-carbaldehyde has molecular formula C13H8OS and molecular weight 212.267 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(Phenylethynyl)thiophene-2-carbaldehyde (CAS 17257-10-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1493507-9 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.