5-bromo-3-methylthiophene-2-carboxylic acid
Also known as: 5-bromo-3-methyl-2-thiophenecarboxylic acid, 3-methyl-5-bromo-thiophene-2-carboxylic acid, 2-Thiophenecarboxylic acid, 5-bromo-3-methyl-, 5-Brom-3-methylthiophen-2-carbonsaeure, 5-bromo-3-methylthiophene-2-carboxylicacid, 5-BROMO-3-METHYLTHIOPHENE-2-CARBOXYLIC ACID
5-bromo-3-methylthiophene-2-carboxylic acid (CAS 38239-45-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5BrO2S and a molecular weight of 221.072 g/mol. Key properties include a boiling point of 321.1±42.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 148.0±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 38239-45-1
- Jingsj CID
- J-1034589-8
- Molecular Formula
- C6H5BrO2S
- Molecular Weight
- 221.072 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 321.1±42.0 °C at 760 mmHg |
|---|---|
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 148.0±27.9 °C |
| Exact Mass | 219.919357 |
| PSA | 65.54000 |
| LogP | 2.93 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.630 |
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-bromo-3-methylthiophene-2-carboxylic acid?
The CAS number of 5-bromo-3-methylthiophene-2-carboxylic acid is 38239-45-1.
What are the molecular formula and molecular weight of 5-bromo-3-methylthiophene-2-carboxylic acid?
5-bromo-3-methylthiophene-2-carboxylic acid has molecular formula C6H5BrO2S and molecular weight 221.072 g/mol.
What are the upstream and downstream products of 5-bromo-3-methylthiophene-2-carboxylic acid?
For 5-bromo-3-methylthiophene-2-carboxylic acid, Upstream Products: 4-Methylthiophene-2-carboxylic acid, 3-Methyl-2-thiophenecarboxylic acid, 5-bromo-3-methylthiophene-2-carbaldehyde.
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-bromo-3-methylthiophene-2-carboxylic acid (CAS 38239-45-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1034589-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.