5-Nitrothiophene-3-carboxylic acid
Also known as: 2-Nitrothiophene-4-carboxylic acid, 3-Thiophenecarboxylic acid, 5-nitro-, 5-Nitro-3-thiophenecarboxylic acid
5-Nitrothiophene-3-carboxylic acid (CAS 40357-96-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3NO4S and a molecular weight of 173.147 g/mol. Key properties include a melting point of 147 °C, a boiling point of 367.2±27.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 175.9±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40357-96-8
- Jingsj CID
- J-19849-2
- Molecular Formula
- C5H3NO4S
- Molecular Weight
- 173.147 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 147 °C |
|---|---|
| Boiling Point | 367.2±27.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 175.9±23.7 °C |
| Exact Mass | 172.978271 |
| PSA | 111.36000 |
| LogP | 1.45 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.660 |
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-Nitrothiophene-3-carboxylic acid?
The CAS number of 5-Nitrothiophene-3-carboxylic acid is 40357-96-8.
What are the molecular formula and molecular weight of 5-Nitrothiophene-3-carboxylic acid?
5-Nitrothiophene-3-carboxylic acid has molecular formula C5H3NO4S and molecular weight 173.147 g/mol.
What are the upstream and downstream products of 5-Nitrothiophene-3-carboxylic acid?
For 5-Nitrothiophene-3-carboxylic acid, Upstream Products: Thiophene-3-carboxylic acid, 3-Methylthiophene, 5-nitrothiophene-3-carbonitrile; Downstream Products: methyl 5-nitrothiophene-3-carboxylate, 5-Nitrothiophene-3-carbonyl chloride.
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-Nitrothiophene-3-carboxylic acid (CAS 40357-96-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19849-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.