4,5-Dichlorothiophene-2-carboxylic acid
Also known as: 2-Thiophenecarboxylic acid, 4,5-dichloro-, 4,5-DICHLOROTHIOPHENE-2-CARBOXYLIC ACID, 4,5-Dichlor-thiophen-2-carbonsaeure, 4,5-Dichloro-2-thiophenecarboxylic acid, 4,5-dichloro-thiophene-2-carboxylic acid, 4,5-dichlorothiophene-2-carboxylic acid, Rivaroxaban Impurity 18, Rivaroxaban Impurity 21, Rivaroxaban Impurity P, Rivaroxaban Related Impurity 1
4,5-Dichlorothiophene-2-carboxylic acid (CAS 31166-29-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H2Cl2O2S and a molecular weight of 197.039 g/mol. Key properties include a boiling point of 315.3±37.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 144.5±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31166-29-7
- Jingsj CID
- J-977712-2
- Molecular Formula
- C5H2Cl2O2S
- Molecular Weight
- 197.039 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 315.3±37.0 °C at 760 mmHg |
|---|---|
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 144.5±26.5 °C |
| Exact Mass | 195.915253 |
| PSA | 65.54000 |
| LogP | 3.57 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.636 |
| 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 4,5-Dichlorothiophene-2-carboxylic acid?
The CAS number of 4,5-Dichlorothiophene-2-carboxylic acid is 31166-29-7.
What are the molecular formula and molecular weight of 4,5-Dichlorothiophene-2-carboxylic acid?
4,5-Dichlorothiophene-2-carboxylic acid has molecular formula C5H2Cl2O2S and molecular weight 197.039 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5-Dichlorothiophene-2-carboxylic acid (CAS 31166-29-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-977712-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.