1-(4-Nitrophenyl)-3-methyl-5-pyrazolone
1-(4-硝基苯基)-3-甲基-5-吡唑啉酮
Also known as: 5-Methyl-2-(4-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one, 1-(4-Nitrophenyl)-3-methyl-1H-pyrazol-5(4H)-one, 2,4-Dihydro-5-methyl-2-(4-nitrophenyl)-3H-pyrazol-3-one, 3-Methyl-1-(4-nitrophenyl)-5-pyrazolone, Coupler 2B
- CAS No.
- 6402-09-1
- Jingsj CID
- J-5089-2
- Molecular Formula
- C10H9N3O3
- Chinese Name
- 1-(4-硝基苯基)-3-甲基-5-吡唑啉酮
- Molecular Weight
- 219.19700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 220-225 °C |
|---|---|
| Boiling Point | 387.9ºC at 760 mmHg |
| Density | 1.373g/cm3 |
| Flash Point | 188.4ºC |
Frequently Asked Questions
What is the CAS number of 1-(4-Nitrophenyl)-3-methyl-5-pyrazolone?
6402-09-1
What are the molecular formula and molecular weight of 1-(4-Nitrophenyl)-3-methyl-5-pyrazolone?
C10H9N3O3, molecular weight 219.19700 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026