Pyrrole-2-carboxylic acid
Also known as: 1H-Pyrrole-2-carboxylic acid, 2-Pyrrolecarboxylic acid, 2-Carboxypyrrole, Pyrrole-2-carboxylic acid, MFCD00005219, EINECS 211-221-9
Pyrrole-2-carboxylic acid (CAS 634-97-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H5NO2 and a molecular weight of 111.099 g/mol. Key properties include a melting point of 204-208 °C (dec.)(lit.), a boiling point of 340.3±15.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 159.6±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 634-97-9
- Jingsj CID
- J-3813-1
- Molecular Formula
- C5H5NO2
- Molecular Weight
- 111.099 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 204-208 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 340.3±15.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 159.6±20.4 °C |
| Exact Mass | 111.032028 |
| PSA | 53.09000 |
| LogP | 0.85 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.604 |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. He XX, et al. Pelopuradazole, a new imidazole derivative alkaloid from the marine bacteria Pelomonas puraquae sp. nov. Nat Prod Res. 2014;28(9):680-2. |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 Pyrrole-2-carboxylic acid?
The CAS number of Pyrrole-2-carboxylic acid is 634-97-9.
What are the molecular formula and molecular weight of Pyrrole-2-carboxylic acid?
Pyrrole-2-carboxylic acid has molecular formula C5H5NO2 and molecular weight 111.099 g/mol.
What are the upstream and downstream products of Pyrrole-2-carboxylic acid?
For Pyrrole-2-carboxylic acid, Upstream Products: Pyrrole-2-carboxaldehyde, Pyrrole, (1H-Pyrrol-2-yl)methanol; Downstream Products: 4,5-Dibromo-1H-pyrrole-2-carboxylic acid, Methyl 1-methylpyrrole-2-carboxylate, 3,4-Dehydro-DL-proline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrrole-2-carboxylic acid (CAS 634-97-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3813-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.