1-Methyl-1H-imidazole-5-carbonitrile
Also known as: 1H-Imidazole-5-carbonitrile, 1-methyl-, 3-methylimidazole-4-carbonitrile, 3-methyl-3H-imidazole-4-carbonitrile, 1-methylimidazole-5-carbonitrile
1-Methyl-1H-imidazole-5-carbonitrile (CAS 66121-66-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5N3 and a molecular weight of 107.113 g/mol. Key properties include a melting point of 55ºC, a boiling point of 314.1±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 143.8±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66121-66-2
- Jingsj CID
- J-1526589-1
- Molecular Formula
- C5H5N3
- Molecular Weight
- 107.113 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 55ºC |
|---|---|
| Boiling Point | 314.1±15.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 143.8±20.4 °C |
| Exact Mass | 107.048347 |
| PSA | 41.61000 |
| LogP | -0.07 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.579 |
Customs & Trade Information
| HS Code | 2933290090 |
|---|---|
| Summary | 2933290090. other compounds containing an unfused imidazole 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-Methyl-1H-imidazole-5-carbonitrile?
The CAS number of 1-Methyl-1H-imidazole-5-carbonitrile is 66121-66-2.
What are the molecular formula and molecular weight of 1-Methyl-1H-imidazole-5-carbonitrile?
1-Methyl-1H-imidazole-5-carbonitrile has molecular formula C5H5N3 and molecular weight 107.113 g/mol.
What are the upstream and downstream products of 1-Methyl-1H-imidazole-5-carbonitrile?
For 1-Methyl-1H-imidazole-5-carbonitrile, Upstream Products: 1-Methyl-1H-pyrazole-4-carbonitrile, 1-methylimidazole, 1H-Imidazole-4-carbonitrile.
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-Methyl-1H-imidazole-5-carbonitrile (CAS 66121-66-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526589-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.