4-Bromo-2-thiophenecarboxylic acid
Also known as: 4-bromothiophene-2-carboxylic acid, 4-Bromo-2-carboxythiophene, 4-Bromo-2-thenoic acid, 4-Bromo-thiophene-2-carboxylic acid, AKOS B013954, ART-CHEM-BB B013954, CHEMBRDG-BB 3013954, MFCD03422294, RARECHEM AL BE 0179, 2-Thiophenecarboxylic acid, 4-bromo-
4-Bromo-2-thiophenecarboxylic acid (CAS 16694-18-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3BrO2S and a molecular weight of 207.045 g/mol. Key properties include a melting point of 121ºC, a boiling point of 323.7±27.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 149.6±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16694-18-1
- Jingsj CID
- J-1403735-5
- Molecular Formula
- C5H3BrO2S
- Molecular Weight
- 207.045 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 121ºC |
|---|---|
| Boiling Point | 323.7±27.0 °C at 760 mmHg |
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 149.6±23.7 °C |
| Exact Mass | 205.903702 |
| PSA | 65.54000 |
| LogP | 2.34 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.650 |
Frequently Asked Questions
What is the CAS number of 4-Bromo-2-thiophenecarboxylic acid?
The CAS number of 4-Bromo-2-thiophenecarboxylic acid is 16694-18-1.
What are the molecular formula and molecular weight of 4-Bromo-2-thiophenecarboxylic acid?
4-Bromo-2-thiophenecarboxylic acid has molecular formula C5H3BrO2S and molecular weight 207.045 g/mol.
What are the upstream and downstream products of 4-Bromo-2-thiophenecarboxylic acid?
For 4-Bromo-2-thiophenecarboxylic acid, Upstream Products: 4-Bromothiophene-2-carboxaldehyde, 2,4-Dibromothiophene, Carbon dioxide; Downstream Products: 4-Bromothiophene-2-carboxamide, 3-Bromothiophene, tert-Butyl (4-bromothiophen-2-yl)carbamate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Bromo-2-thiophenecarboxylic acid (CAS 16694-18-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1403735-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.