2-(4-bromophenyl)-5-methyl-1H-pyrazol-3-one

Modify Date: 2025-10-02 09:45:52

2-(4-bromophenyl)-5-methyl-1H-pyrazol-3-one Structure
2-(4-bromophenyl)-5-methyl-1H-pyrazol-3-one structure
 Common Name 2-(4-bromophenyl)-5-methyl-1H-pyrazol-3-one
CAS Number 35496-21-0 Molecular Weight 253.09500
Density N/A Boiling Point N/A
Molecular Formula C10H9BrN2O Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 2-(4-bromophenyl)-5-methyl-1H-pyrazol-3-one

 Chemical & Physical Properties

Molecular Formula C10H9BrN2O
Molecular Weight 253.09500
Exact Mass 251.99000
PSA 37.79000
LogP 2.23650

 Synthetic Route

2,2-dimethyl-5-(1-methylsulfanylethylidene)-1,3-dioxane-4,6-dione structure

2,2-dimethyl-5-...

CAS#:112182-59-9

p-Bromophenylhydrazine structure

p-Bromophenylhy...

CAS#:589-21-9

~64%

2-(4-bromophenyl)-5-methyl-1H-pyrazol-3-one Structure

2-(4-bromopheny...

CAS#:35496-21-0

Literature: Chen, Bang-chi; Huang, Xian; Ma, Sheng-ming Synthetic Communications, 1987 , vol. 17, # 12 p. 1519 - 1522
Ethyl acetoacetate structure

Ethyl acetoacetate

CAS#:141-97-9

p-Bromophenylhydrazine structure

p-Bromophenylhy...

CAS#:589-21-9

~%

2-(4-bromophenyl)-5-methyl-1H-pyrazol-3-one Structure

2-(4-bromopheny...

CAS#:35496-21-0

Literature: Michaelis; Schwabe Chemische Berichte, 1900 , vol. 33, p. 2608
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Chemsrc provides CAS#:35496-21-0 MSDS, density, melting point, boiling point, structure, etc. Its name is 2-(4-bromophenyl)-5-methyl-1H-pyrazol-3-one>> amp version: 2-(4-bromophenyl)-5-methyl-1H-pyrazol-3-one

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