1-Phenyl-1H-pyrazole-5-carboxylic acid
Also known as: 2-phenylpyrazole-3-carboxylic acid, 1H-Pyrazole-5-carboxylic acid, 1-phenyl-, 1-phenyl-1H-pyrazole-5-carboxylic acid
1-Phenyl-1H-pyrazole-5-carboxylic acid (CAS 1133-77-3) 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 182ºC, a boiling point of 379.6ºC at 760 mmHg, a density of 1.28 g/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.
- 1133-77-3
- Jingsj CID
- J-33781-5
- 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 | 182ºC |
|---|---|
| Boiling Point | 379.6ºC at 760 mmHg |
| Density | 1.28 g/cm3 |
| Flash Point | 183.4ºC |
| Exact Mass | 188.05900 |
| PSA | 55.12000 |
| LogP | 1.57050 |
| Vapor Pressure | 1.93E-06mmHg at 25°C |
| Refractive Index | 1.631 |
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-5-carboxylic acid?
The CAS number of 1-Phenyl-1H-pyrazole-5-carboxylic acid is 1133-77-3.
What are the molecular formula and molecular weight of 1-Phenyl-1H-pyrazole-5-carboxylic acid?
1-Phenyl-1H-pyrazole-5-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-5-carboxylic acid?
For 1-Phenyl-1H-pyrazole-5-carboxylic acid, Upstream Products: 1-Phenylpyrazole, Phenylhydrazine, n-Butyllithium; Downstream Products: 1-Phenyl-1H-pyrazole-5-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. "1-Phenyl-1H-pyrazole-5-carboxylic acid (CAS 1133-77-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33781-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.