Nitrefazole
硝法唑
Also known as: 2-Methyl-4-nitro-1-(4-nitrophenyl)imidazole, 1-(4-Nitrophenyl)-2-methyl-4-nitroimidazole, 1-(p-Nitrophenyl)-2-methyl-4-nitroimidazole, 2-Methyl-4-nitro-1-(4-nitrophenyl)-1H-imidazole, Altimol, BT-985, EMD 15700, EMD-15,700, Nitrefazol, Nitrefazolum, UNII-VFD629099M
Nitrefazole (CAS 21721-92-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H8N4O4 and a molecular weight of 248.19500 g/mol. It is also known as 2-Methyl-4-nitro-1-(4-nitrophenyl)imidazole, 1-(4-Nitrophenyl)-2-methyl-4-nitroimidazole and 1-(p-Nitrophenyl)-2-methyl-4-nitroimidazole. Key properties include a boiling point of 484.9ºC at 760 mmHg, a density of 1.53g/cm3 and a flash point of 247.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21721-92-6
- Jingsj CID
- J-1955457-6
- Molecular Formula
- C10H8N4O4
- Chinese Name
- 硝法唑
- Molecular Weight
- 248.19500 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 484.9ºC at 760 mmHg |
|---|---|
| Density | 1.53g/cm3 |
| Flash Point | 247.1ºC |
| Exact Mass | 248.05500 |
| PSA | 109.46000 |
| LogP | 3.04350 |
| Vapor Pressure | 1.48E-09mmHg at 25°C |
| Refractive Index | 1.686 |
Activity & Biological Data
| Additional Information | [1]. Koda LY, Madamba SG, Bloom FE. Hypotensive response of ethanol in rats pretreated with disulfiram or nitrefazole. Life Sci. 1984;35(16):1659-1665. [2]. Zorzano A, Herrera E. Differences in the kinetic properties and sensitivity to inhibitors of human placental, erythrocyte, and major hepatic aldehyde dehydrogenase isoenzymes. Biochem Pharmacol. 1990;39(5):873-878. |
|---|
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 Nitrefazole?
The CAS number of Nitrefazole is 21721-92-6.
What are the molecular formula and molecular weight of Nitrefazole?
Nitrefazole has molecular formula C10H8N4O4 and molecular weight 248.19500 g/mol.
What are the upstream and downstream products of Nitrefazole?
For Nitrefazole, Upstream Products: 2-Methyl-1-(4-nitrophenyl)-1H-imidazole.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Nitrefazole (CAS 21721-92-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955457-6 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.