1H-Pyrazole-4-carboxaldehyde
Also known as: 1H-Pyrazole-4-carbaldehyde, 4-Formylpyrazole, Pyrazole-4-carboxaldehyde, MFCD02179514
1H-Pyrazole-4-carboxaldehyde (CAS 35344-95-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4N2O and a molecular weight of 96.087 g/mol. Key properties include a melting point of 82-83 °C, a boiling point of 300.0±13.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 139.7±26.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 35344-95-7
- Jingsj CID
- J-1526064-7
- Molecular Formula
- C4H4N2O
- Molecular Weight
- 96.087 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 82-83 °C |
|---|---|
| Boiling Point | 300.0±13.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 139.7±26.3 °C |
| Exact Mass | 96.032364 |
| PSA | 45.75000 |
| LogP | 0.16 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.620 |
| Storage Conditions | 2~8℃ |
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 1H-Pyrazole-4-carboxaldehyde?
The CAS number of 1H-Pyrazole-4-carboxaldehyde is 35344-95-7.
What are the molecular formula and molecular weight of 1H-Pyrazole-4-carboxaldehyde?
1H-Pyrazole-4-carboxaldehyde has molecular formula C4H4N2O and molecular weight 96.087 g/mol.
What are the upstream and downstream products of 1H-Pyrazole-4-carboxaldehyde?
For 1H-Pyrazole-4-carboxaldehyde, Upstream Products: Ethyl 4-pyrazolecarboxylate, Triformylmethane, 1-(4-Methoxybenzyl)-1H-pyrazole-4-carbaldehyde; Downstream Products: 1-cyclopropyl-1H-pyrazole-4-carbaldehyde, tert-butyl 4-formyl-1H-pyrazole-1-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. "1H-Pyrazole-4-carboxaldehyde (CAS 35344-95-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526064-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.