1-(3'-Chlorophenyl)-3-methyl-5-pyrazolone
1-(3-氯苯基)-3-甲基-5-吡唑啉酮
Also known as: MCPMP, 1-(m-chlorophenyl)-3-methyl-5-pyrazolone, 1-(m-chlorophenyl)-3-methyl-2-pyrazolin-5-one, 2-(3-chlorophenyl)-5-methyl-1H-pyrazol-3(2H)-one, 2-(3-chlorophenyl)-5-methyl-3-pyrazol-2-iumone, 1-(3-chlorophenyl)-3-methyl-5-pyrazolone, MFCD00020750
- CAS No.
- 20629-90-7
- Jingsj CID
- J-1325337-4
- Molecular Formula
- C10H9ClN2O
- Chinese Name
- 1-(3-氯苯基)-3-甲基-5-吡唑啉酮
- Molecular Weight
- 208.64400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 128-131ºC(lit.) |
|---|---|
| Boiling Point | 326.048ºC at 760 mmHg |
| Density | 1.306 g/cm3 |
| Flash Point | 150.989ºC |
Frequently Asked Questions
What is the CAS number of 1-(3'-Chlorophenyl)-3-methyl-5-pyrazolone?
20629-90-7
What are the molecular formula and molecular weight of 1-(3'-Chlorophenyl)-3-methyl-5-pyrazolone?
C10H9ClN2O, molecular weight 208.64400 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026