3-Amino-2-thiophenecarboxylic acid
Also known as: 3-Aminothiophene-2-carboxylic acid, 3-amino-2-thenoic acid, 2-Thiophenecarboxylic acid, 3-amino-, 3-Aminothiophene-2-carboxylic acid USP/EP/BP, 3-amino-2-thiophenoformic acid
3-Amino-2-thiophenecarboxylic acid (CAS 55341-87-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5NO2S and a molecular weight of 143.16400 g/mol. Key properties include a boiling point of 399ºC at 760 mmHg, a density of 1.527 g/cm3 and a flash point of 195.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 55341-87-2
- Jingsj CID
- J-1360365-1
- Molecular Formula
- C5H5NO2S
- Molecular Weight
- 143.16400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 399ºC at 760 mmHg |
|---|---|
| Density | 1.527 g/cm3 |
| Flash Point | 195.1ºC |
| Exact Mass | 143.00400 |
| PSA | 91.56000 |
| LogP | 1.60970 |
| Refractive Index | 1.689 |
Frequently Asked Questions
What is the CAS number of 3-Amino-2-thiophenecarboxylic acid?
The CAS number of 3-Amino-2-thiophenecarboxylic acid is 55341-87-2.
What are the molecular formula and molecular weight of 3-Amino-2-thiophenecarboxylic acid?
3-Amino-2-thiophenecarboxylic acid has molecular formula C5H5NO2S and molecular weight 143.16400 g/mol.
What are the upstream and downstream products of 3-Amino-2-thiophenecarboxylic acid?
For 3-Amino-2-thiophenecarboxylic acid, Upstream Products: Methyl 3-aminothiophene-2-carboxylate; Downstream Products: 3-(acetylamino)thiophene-2-carboxylic acid, thiophen-3-amine, Methyl 3-aminothiophene-2-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Amino-2-thiophenecarboxylic acid (CAS 55341-87-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360365-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.