1-(5-Phenylthiophen-2-yl)ethanone
Also known as: 1-(5-phenylthien-2-yl)ethanone, 1-(5-phenylthiophen-2-yl)ethanone, 1-(5-phenyl-2-thiophenyl)ethanone, 1-(5-phenylthiophen-2-yl)ethan-1-one, 2-acetyl-5-phenylthiophene, 5-acetyl-2-phenylthiophene, 5-phenyl-2-acetylthiophene, Ethanone, 1-(5-phenyl-2-thienyl)-
1-(5-Phenylthiophen-2-yl)ethanone (CAS 1665-41-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H10OS and a molecular weight of 202.27200 g/mol. Key properties include a boiling point of 363.8ºC at 760mmHg, a density of 1.151g/cm3 and a flash point of 173.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1665-41-4
- Jingsj CID
- J-1495733-6
- Molecular Formula
- C12H10OS
- Molecular Weight
- 202.27200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 363.8ºC at 760mmHg |
|---|---|
| Density | 1.151g/cm3 |
| Flash Point | 173.8ºC |
| Exact Mass | 202.04500 |
| PSA | 45.31000 |
| LogP | 3.61770 |
| Vapor Pressure | 1.76E-05mmHg at 25°C |
| Refractive Index | 1.589 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1-(5-Phenylthiophen-2-yl)ethanone?
The CAS number of 1-(5-Phenylthiophen-2-yl)ethanone is 1665-41-4.
What are the molecular formula and molecular weight of 1-(5-Phenylthiophen-2-yl)ethanone?
1-(5-Phenylthiophen-2-yl)ethanone has molecular formula C12H10OS and molecular weight 202.27200 g/mol.
What are the upstream and downstream products of 1-(5-Phenylthiophen-2-yl)ethanone?
For 1-(5-Phenylthiophen-2-yl)ethanone, Upstream Products: 2-Acetyl-5-bromothiophene, Phenylboronic acid, Sodium tetraphenylborate; Downstream Products: 2-bromo-1-(5-phenylthiophen-2-yl)ethan-1-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(5-Phenylthiophen-2-yl)ethanone (CAS 1665-41-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1495733-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.