3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene)

Modify Date: 2026-07-07 19:30:24

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene) Structure
3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene) structure
 Common Name 3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene)
CAS Number 23901-60-2 Molecular Weight 262.30600
Density 1.12g/cm3 Boiling Point 404.4ºC at 760mmHg
Molecular Formula C17H14N2O Melting Point N/A
MSDS N/A Flash Point 198.4ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.12g/cm3
Boiling Point 404.4ºC at 760mmHg
Molecular Formula C17H14N2O
Molecular Weight 262.30600
Flash Point 198.4ºC
Exact Mass 262.11100
PSA 32.67000
LogP 2.99330
Vapour Pressure 9.48E-07mmHg at 25°C
Index of Refraction 1.612
InChIKey ZWJMMDQHGRHUCZ-VBKFSLOCSA-N
SMILES CC1=NN(c2ccccc2)C(=O)C1=Cc1ccccc1

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

Benzaldehyde structure

Benzaldehyde

CAS#:100-52-7

edaravone structure

edaravone

CAS#:89-25-8

~92%

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene) Structure

3H-Pyrazol-3-on...

CAS#:23901-60-2

Learn More
Literature: Sheibani, Hassan; Babaie, Maryam Synthetic Communications, 2010 , vol. 40, # 2 p. 257 - 265
Benzenamine,4-iodo-N-(phenylmethylene) structure

Benzenamine,4-i...

CAS#:3381-47-3

~%

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene) Structure

3H-Pyrazol-3-on...

CAS#:23901-60-2

Learn More
Literature: Pavlenko, N. I.; Marshtupa, V. P.; Klyuev, N. A.; Baskunov, B. P. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 8 p. 808 - 812 Khimiya Geterotsiklicheskikh Soedinenii, 1981 , # 8 p. 1088 - 1093
edaravone structure

edaravone

CAS#:89-25-8

~%

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene) Structure

3H-Pyrazol-3-on...

CAS#:23901-60-2

Learn More
Literature: Pavlenko, N. I.; Marshtupa, V. P.; Klyuev, N. A.; Baskunov, B. P. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 8 p. 808 - 812 Khimiya Geterotsiklicheskikh Soedinenii, 1981 , # 8 p. 1088 - 1093
Benzylideneaniline structure

Benzylideneaniline

CAS#:538-51-2

5-Methyl-2-phenyl-2H-pyrazol-3-ol structure

5-Methyl-2-phen...

CAS#:942-32-5

~72%

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene) Structure

3H-Pyrazol-3-on...

CAS#:23901-60-2

4,4'-benzylidene-bis(1-phenyl-3-methyl-2-pyrazolin-5-one) structure

4,4'-benzyliden...

CAS#:25111-95-9

Learn More
Literature: Hennig, Lothar; Alva-Astudillo, Mario; Mann, Gerhard; Kappe, Thomas Monatshefte fuer Chemie, 1992 , vol. 123, # 6 p. 571 - 580
N/A structure

N/A

CAS#:76086-78-7

~41%

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene) Structure

3H-Pyrazol-3-on...

CAS#:23901-60-2

Learn More
Literature: Pavlenko, N. I.; Marshtupa, V. P.; Klyuev, N. A.; Baskunov, B. P. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 8 p. 808 - 812 Khimiya Geterotsiklicheskikh Soedinenii, 1981 , # 8 p. 1088 - 1093
Benzaldehyde structure

Benzaldehyde

CAS#:100-52-7

edaravone structure

edaravone

CAS#:89-25-8

~%

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene) Structure

3H-Pyrazol-3-on...

CAS#:23901-60-2

5,5'-dimethyl-2,2'-diphenyl-1,2,1',2'-tetrahydro-4,4'-benzylidene-bis-pyrazol-3-one structure

5,5'-dimethyl-2...

CAS#:397878-11-4

Learn More
Literature: Ionescu Buletinul Societatii de Stiinte din Cluj, 1927 , vol. 3, p. 381 Chem. Zentralbl., 1928 , vol. 99, # I p. 695
4-((5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)(4-methoxyphenyl)methyl)-3-methyl-1-phenyl-1H-pyrazol-5-ol structure

4-((5-hydroxy-3...

CAS#:57303-46-5

~%

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene) Structure

3H-Pyrazol-3-on...

CAS#:23901-60-2

5-Methyl-2-phenyl-2H-pyrazol-3-ol structure

5-Methyl-2-phen...

CAS#:942-32-5

Learn More
Literature: Li, Xiao-Liu; Wang, Yong-Mei; Tian, Bing; Matsuura, Teruo; Meng, Ji-Ben Journal of Heterocyclic Chemistry, 1998 , vol. 35, # 1 p. 129 - 134
5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one structure

5-Methyl-2-phen...

CAS#:19735-89-8

Benzaldehyde structure

Benzaldehyde

CAS#:100-52-7

~%

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene) Structure

3H-Pyrazol-3-on...

CAS#:23901-60-2

Learn More
Literature: Knorr Justus Liebigs Annalen der Chemie, 1887 , vol. 238, p. 160,205 Justus Liebigs Annalen der Chemie, 1896 , vol. 293, p. 1,26, 41
Ethanol structure

Ethanol

CAS#:64-17-5

5,5'-dimethyl-2,2'-diphenyl-1,2,1',2'-tetrahydro-4,4'-benzylidene-bis-pyrazol-3-one structure

5,5'-dimethyl-2...

CAS#:397878-11-4

~%

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene) Structure

3H-Pyrazol-3-on...

CAS#:23901-60-2

Learn More
Literature: Betti Gazzetta Chimica Italiana, 1906 , vol. 36 II, p. 432 Gazzetta Chimica Italiana, 1907 , vol. 37 II, p. 98

 Bioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
Name: Cell-based high throughput primary assay to identify activators of GPR151
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=G-protein coupled receptor 151; AltName: Full=G-protein coupled receptor PGR7; AltName: Full=GPCR-2037; AltName: Full=Galanin receptor 4; AltName: Full=Galanin-receptor-like protein; Short=GalRL
External Id: GPR151_PHUNTER_AG_LUMI_1536_1X%ACT
Name: AlphaScreen-based biochemical high throughput primary assay to identify activators of...
Source: The Scripps Research Institute Molecular Screening Center
Target: N/A
External Id: FBW7_ACT_ALPHA_1536_1X%ACT PRUN
Name: AlphaScreen-based biochemical high throughput primary assay to identify inhibitors of...
Source: The Scripps Research Institute Molecular Screening Center
External Id: MITF_INH_Alpha_1536_1X%INH PRUN
Name: Agonist activity at GST tagged human recombinant FXRalphaLBD expressed in Escherichia...
Source: ChEMBL
Target: N/A
External Id: CHEMBL2174565
Name: Antagonist activity at GST-tagged human recombinant FXRalphaLBD expressed in Escheric...
Source: ChEMBL
Target: N/A
External Id: CHEMBL2174563
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

4-benzylidene-5-methyl-2-phenyl-2,3-dihydro-pyrazol-3-one
3-methyl-1-phenyl-4-phenylidene-5-pyrazolone
4-benzylidene-3-methyl-1-phenylpyrazolone
4-benzylidene-1-phenyl-3-methyl-2-pyrazolin-5-one

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the InChIKey of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one?
A: InChIKey of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one is ZWJMMDQHGRHUCZ-VBKFSLOCSA-N.
Q: What is the LogP of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one?
A: LogP of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one is 2.99330.
Q: What is the boiling point of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one?
A: Boiling point of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one is 404.4ºC at 760mmHg.
Q: What is the polar surface area (PSA) of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one?
A: Polar surface area (PSA) of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one is 32.67000.
Q: What is the English name of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one?
A: The English name of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one is (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one.
Q: What are the upstream materials of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one?
A: Related upstream materials(CAS) of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one: 100-52-7;89-25-8;3381-47-3;538-51-2;942-32-5;57303-46-5;19735-89-8;64-17-5;397878-11-4.
Q: What is the Chinese name of 23901-60-2?
A: Chinese name of 23901-60-2 is 23901-60-2.
Q: What are the downstream products of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one?
A: Related downstream products(CAS) of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one: 883-93-2;53316-57-7.
Q: What is the SMILES notation of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one?
A: SMILES notation of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one is CC1=NN(c2ccccc2)C(=O)C1=Cc1ccccc1.
Q: What is the CAS number of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one?
A: CAS number of (4Z)-4-benzylidene-5-methyl-2-phenylpyrazol-3-one is 23901-60-2.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
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Chemsrc provides CAS#:23901-60-2 MSDS, density, melting point, boiling point, structure, etc. Its name is 3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene)>> amp version: 3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-phenyl-4-(phenylmethylene)

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