5-Methoxy-1-benzothiophene-2-carboxylic acid
Also known as: 5-Methoxybenzo[b]thiophene-2-carboxylic acid, 5-Methoxybenzothiophene-2-carboxylic acid, Benzo[b]thiophene-2-carboxylic acid, 5-methoxy-
5-Methoxy-1-benzothiophene-2-carboxylic acid (CAS 23046-02-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8O3S and a molecular weight of 208.234 g/mol. Key properties include a boiling point of 410.0±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 201.8±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 23046-02-8
- Jingsj CID
- J-1152527-2
- Molecular Formula
- C10H8O3S
- Molecular Weight
- 208.234 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 410.0±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 201.8±23.2 °C |
| Exact Mass | 208.019409 |
| PSA | 74.77000 |
| LogP | 3.90 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.673 |
| Storage Conditions | 2-8°C |
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 5-Methoxy-1-benzothiophene-2-carboxylic acid?
The CAS number of 5-Methoxy-1-benzothiophene-2-carboxylic acid is 23046-02-8.
What are the molecular formula and molecular weight of 5-Methoxy-1-benzothiophene-2-carboxylic acid?
5-Methoxy-1-benzothiophene-2-carboxylic acid has molecular formula C10H8O3S and molecular weight 208.234 g/mol.
What are the upstream and downstream products of 5-Methoxy-1-benzothiophene-2-carboxylic acid?
For 5-Methoxy-1-benzothiophene-2-carboxylic acid, Upstream Products: Methyl 5-methoxybenzo[b]thiophene-2-carboxylate; Downstream Products: Methyl 5-methoxybenzo[b]thiophene-2-carboxylate, 5-Methoxy-1-benzothiophene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methoxy-1-benzothiophene-2-carboxylic acid (CAS 23046-02-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1152527-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.