4-Nitrothiophene-2-carboxylic acid
4-硝基噻吩-2-羧酸
Also known as: 2-Thiophenecarboxylic acid, 4-nitro-, 4-Nitro-2-thiophenecarboxylic acid, 4-Nitro-thiophene-2-carboxylic acid, 2-Carboxy-4-nitrothiophene, AKOS 93842, MFCD07787605
4-Nitrothiophene-2-carboxylic acid (CAS 13138-70-0) 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 173.14700 g/mol. It is also known as 2-Thiophenecarboxylic acid, 4-nitro-, 4-Nitro-2-thiophenecarboxylic acid and 4-Nitro-thiophene-2-carboxylic acid. Key properties include a boiling point of 383.3ºC at 760mmHg, a density of 1.676g/cm3 and a flash point of 185.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13138-70-0
- Jingsj CID
- J-20660-4
- Molecular Formula
- C5H3NO4S
- Chinese Name
- 4-硝基噻吩-2-羧酸
- Molecular Weight
- 173.14700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 383.3ºC at 760mmHg |
|---|---|
| Density | 1.676g/cm3 |
| Flash Point | 185.6ºC |
Frequently Asked Questions
What is the CAS number of 4-Nitrothiophene-2-carboxylic acid?
The CAS number of 4-Nitrothiophene-2-carboxylic acid is 13138-70-0.
What are the molecular formula and molecular weight of 4-Nitrothiophene-2-carboxylic acid?
4-Nitrothiophene-2-carboxylic acid has molecular formula C5H3NO4S and molecular weight 173.14700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Nitrothiophene-2-carboxylic acid (CAS 13138-70-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20660-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.