1-(4-Chlorophenyl)-1H-pyrazol-3-ol

Modify Date: 2025-08-25 12:45:41

1-(4-Chlorophenyl)-1H-pyrazol-3-ol Structure
1-(4-Chlorophenyl)-1H-pyrazol-3-ol structure
Common Name 1-(4-Chlorophenyl)-1H-pyrazol-3-ol
CAS Number 76205-19-1 Molecular Weight 194.618
Density 1.4±0.1 g/cm3 Boiling Point 335.8±22.0 °C at 760 mmHg
Molecular Formula C9H7ClN2O Melting Point 190-192ºC
MSDS N/A Flash Point 156.9±22.3 °C

 Names

Name 1-(4-Chlorophenyl)-1H-pyrazol-3-ol
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 335.8±22.0 °C at 760 mmHg
Melting Point 190-192ºC
Molecular Formula C9H7ClN2O
Molecular Weight 194.618
Flash Point 156.9±22.3 °C
Exact Mass 194.024689
PSA 38.05000
LogP 2.64
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.641

 Safety Information

Hazard Codes Xi
HS Code 2933199090

 Synthetic Route

~77%

1-(4-Chlorophenyl)-1H-pyrazol-3-ol Structure

1-(4-Chlorophen...

CAS#:76205-19-1

Literature: Mercader, Josep V.; Agullo, Consuelo; Abad-Somovilla, Antonio; Abad-Fuentes, Antonio Organic and Biomolecular Chemistry, 2011 , vol. 9, # 5 p. 1443 - 1453

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1-(4-Chlorophenyl)-1H-pyrazol-3-ol Structure

1-(4-Chlorophen...

CAS#:76205-19-1

Literature: US6040458 A1, ;

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1-(4-Chlorophenyl)-1H-pyrazol-3-ol Structure

1-(4-Chlorophen...

CAS#:76205-19-1

Literature: US5707936 A1, ;

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1-(4-Chlorophenyl)-1H-pyrazol-3-ol Structure

1-(4-Chlorophen...

CAS#:76205-19-1

Literature: Journal of Medicinal Chemistry, , vol. 55, # 19 p. 8211 - 8224,14

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1-(4-Chlorophenyl)-1H-pyrazol-3-ol Structure

1-(4-Chlorophen...

CAS#:76205-19-1

Literature: Organic and Biomolecular Chemistry, , vol. 9, # 5 p. 1443 - 1453

~%

1-(4-Chlorophenyl)-1H-pyrazol-3-ol Structure

1-(4-Chlorophen...

CAS#:76205-19-1

Literature: SUMITOMO CHEMICAL COMPANY, LIMITED; YOSHIMOTO, Yuya; ARIMORI, Sadayuki; MATSUZAKI, Yuichi Patent: WO2013/162072 A1, 2013 ; Location in patent: Page/Page column 954 ;

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1-(4-Chlorophenyl)-1H-pyrazol-3-ol Structure

1-(4-Chlorophen...

CAS#:76205-19-1

Literature: Bulletin of the Korean Chemical Society, , vol. 31, # 11 p. 3341 - 3347

 Customs

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

2-(4-chlorophenyl)-1H-pyrazol-5-one
1-(4-Chlorophenyl)-1,2-dihydro-3H-pyrazol-3-one
3H-Pyrazol-3-one, 1-(4-chlorophenyl)-1,2-dihydro-
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