1-Phenyl-1H-pyrazole-4-carboxylic acid
Also known as: 1-Phenyl-1H-pyrazole-4-carboxylic acid, 1-phenylpyrazole-4-carboxylic acid, 1-phenyl-4-pyrazolecarboxylic acid, 1H-Pyrazole-4-carboxylic acid, 1-phenyl-, 1-phenyl-1H-pyrazole-4-carboxylate, AKOS PAO-0321, MFCD00514518, EINECS 413-030-8
1-Phenyl-1H-pyrazole-4-carboxylic acid (CAS 1134-50-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8N2O2 and a molecular weight of 188.18300 g/mol. Key properties include a melting point of 222-227℃, a boiling point of 379.6ºC at 760 mmHg, a density of 1.28g/cm3 and a flash point of 183.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1134-50-5
- Jingsj CID
- J-49943-4
- Molecular Formula
- C10H8N2O2
- Molecular Weight
- 188.18300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 222-227℃ |
|---|---|
| Boiling Point | 379.6ºC at 760 mmHg |
| Density | 1.28g/cm3 |
| Flash Point | 183.4ºC |
| Exact Mass | 188.05900 |
| PSA | 55.12000 |
| LogP | 1.57050 |
| Vapor Pressure | 1.93E-06mmHg at 25°C |
Customs & Trade Information
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. 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 1-Phenyl-1H-pyrazole-4-carboxylic acid?
The CAS number of 1-Phenyl-1H-pyrazole-4-carboxylic acid is 1134-50-5.
What are the molecular formula and molecular weight of 1-Phenyl-1H-pyrazole-4-carboxylic acid?
1-Phenyl-1H-pyrazole-4-carboxylic acid has molecular formula C10H8N2O2 and molecular weight 188.18300 g/mol.
What are the upstream and downstream products of 1-Phenyl-1H-pyrazole-4-carboxylic acid?
For 1-Phenyl-1H-pyrazole-4-carboxylic acid, Upstream Products: 1-Phenyl-1H-pyrazole-4-carbaldehyde, Ethyl 1-phenyl-1H-pyrazole-4-carboxylate, 1-Phenyl-4-methylpyrazole; Downstream Products: (1-Phenyl-1H-pyrazol-4-yl)methanol, 1-Phenylpyrazole, 4-Bromo-1-phenyl-1H-pyrazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Phenyl-1H-pyrazole-4-carboxylic acid (CAS 1134-50-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49943-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.