(2E)-3-(2,3-Dihydro-1-benzofuran-5-yl)prop-2-enoic acid
Also known as: (2E)-3-(2,3-Dihydrobenzofuran-5-yl)propenoic acid, 3-(2,3-Dihydro-1-benzofuran-5-yl)acrylic acid, (2E)-3-(2,3-Dihydro-5-benzofuranyl)-2-propenoic acid, (2E)-3-(2,3-Dihydro-benzofuran-5-yl)-acrylic acid, (2E)-3-(2,3-Dihydrobenzo[b]furan-5-yl)prop-2-enoic acid, (2E)-3-(2,3-Dihydro-1-benzofuran-5-yl)prop-2-enoic acid, (E)-3-(2,3-Dihydrobenzo[b]furan-5-yl)acrylic acid, (E)-3-(2,3-Dihydrobenzofuran-5-yl)acrylic acid, (E)-3-(2,3-dihydrobenzofuran-5-yl)-2-propenoic acid, 2-Propenoic acid, 3-(2,3-dihydro-5-benzofuranyl)-, (2E)-, 3-(2,3-Dihydro-1-benzofuran-5-yl)acrylic acid, MFCD03002828
(2E)-3-(2,3-Dihydro-1-benzofuran-5-yl)prop-2-enoic acid (CAS 203505-84-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H10O3 and a molecular weight of 190.19500 g/mol. Key properties include a melting point of 170-173ºC, a boiling point of 379.8ºC at 760mmHg, a density of 1.31g/cm3 and a flash point of 154.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 203505-84-4
- Jingsj CID
- J-1117800-0
- Molecular Formula
- C11H10O3
- Molecular Weight
- 190.19500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 170-173ºC |
|---|---|
| Boiling Point | 379.8ºC at 760mmHg |
| Density | 1.31g/cm3 |
| Flash Point | 154.7ºC |
| Exact Mass | 190.06300 |
| PSA | 46.53000 |
| LogP | 1.71930 |
| Vapor Pressure | 1.92E-06mmHg at 25°C |
| Refractive Index | 1.648 |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. 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 (2E)-3-(2,3-Dihydro-1-benzofuran-5-yl)prop-2-enoic acid?
The CAS number of (2E)-3-(2,3-Dihydro-1-benzofuran-5-yl)prop-2-enoic acid is 203505-84-4.
What are the molecular formula and molecular weight of (2E)-3-(2,3-Dihydro-1-benzofuran-5-yl)prop-2-enoic acid?
(2E)-3-(2,3-Dihydro-1-benzofuran-5-yl)prop-2-enoic acid has molecular formula C11H10O3 and molecular weight 190.19500 g/mol.
What are the upstream and downstream products of (2E)-3-(2,3-Dihydro-1-benzofuran-5-yl)prop-2-enoic acid?
For (2E)-3-(2,3-Dihydro-1-benzofuran-5-yl)prop-2-enoic acid, Upstream Products: 2,3-Dihydrobenzofuran-5-carbaldehyde, Malonic acid, 2,3-Dihydrobenzofuran; Downstream Products: 3-(2,3-Dihydro-1-benzofuran-5-yl)propanoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(2E)-3-(2,3-Dihydro-1-benzofuran-5-yl)prop-2-enoic acid (CAS 203505-84-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117800-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.