1-Cyanoacetyl-3,5-dimethylpyrazole
Also known as: 3-(3,5-Dimethyl-1H-pyrazol-1-yl)-3-oxopropanenitrile, 1-(cyanoacetyl)-3,5-dimethyl-1H-pyrazole, 1H-Pyrazole-1-propanenitrile, 3,5-dimethyl-β-oxo-, 3-(3,5-Dimethyl-1-pyrazolyl)-3-oxopropanenitrile, NSC 95424
1-Cyanoacetyl-3,5-dimethylpyrazole (CAS 36140-83-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9N3O and a molecular weight of 163.177 g/mol. Key properties include a melting point of 116-119ºC, a boiling point of 331.4±44.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 154.2±28.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 36140-83-7
- Jingsj CID
- J-23807-3
- Molecular Formula
- C8H9N3O
- Molecular Weight
- 163.177 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 116-119ºC |
|---|---|
| Boiling Point | 331.4±44.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 154.2±28.4 °C |
| Exact Mass | 163.074554 |
| PSA | 58.68000 |
| LogP | 0.93 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.572 |
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-Cyanoacetyl-3,5-dimethylpyrazole?
The CAS number of 1-Cyanoacetyl-3,5-dimethylpyrazole is 36140-83-7.
What are the molecular formula and molecular weight of 1-Cyanoacetyl-3,5-dimethylpyrazole?
1-Cyanoacetyl-3,5-dimethylpyrazole has molecular formula C8H9N3O and molecular weight 163.177 g/mol.
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-Cyanoacetyl-3,5-dimethylpyrazole (CAS 36140-83-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23807-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.