Nifenazone
尼芬那宗
Also known as: 1,5-Dimethyl-4-nicotinamido-2-phenyl-3-pyrazolone, 4-(Nicotinamido)antipyrine, 4-(Nicotinoylamino)antipyrine, N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)nicotinamide, Niapyrin, Nicazane, Nicodone, Nicofesone, Nicophesone, Nicophezon, Nicoreumal, Nicotazone, Phenicazone, Nicotinsäure-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-ylamid)
Nifenazone (CAS 2139-47-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H16N4O2 and a molecular weight of 308.33500 g/mol. It is also known as 1,5-Dimethyl-4-nicotinamido-2-phenyl-3-pyrazolone, 4-(Nicotinamido)antipyrine and 4-(Nicotinoylamino)antipyrine. Key properties include a melting point of 252-253° (also reported as mp 256-258°) and a density of 1.33g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2139-47-1
- Jingsj CID
- J-1973228-2
- Molecular Formula
- C17H16N4O2
- Chinese Name
- 尼芬那宗
- Molecular Weight
- 308.33500 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 252-253° (also reported as mp 256-258°) |
|---|---|
| Density | 1.33g/cm3 |
Frequently Asked Questions
What is the CAS number of Nifenazone?
The CAS number of Nifenazone is 2139-47-1.
What are the molecular formula and molecular weight of Nifenazone?
Nifenazone has molecular formula C17H16N4O2 and molecular weight 308.33500 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Nifenazone (CAS 2139-47-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1973228-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.