2-(4-chlorophenyl)-2,5-dihydropyrazolo(4,3-c)quinoline-3(3H)-one

Modify Date: 2026-07-24 09:00:57

2-(4-chlorophenyl)-2,5-dihydropyrazolo(4,3-c)quinoline-3(3H)-one Structure
2-(4-chlorophenyl)-2,5-dihydropyrazolo(4,3-c)quinoline-3(3H)-one structure
Common Name 2-(4-chlorophenyl)-2,5-dihydropyrazolo(4,3-c)quinoline-3(3H)-one
CAS Number 77779-36-3 Molecular Weight 295.72300
Density 1.438g/cm3 Boiling Point 510.9ºC at 760 mmHg
Molecular Formula C16H10ClN3O Melting Point N/A
MSDS N/A Flash Point 262.8ºC

 Names

Name 2-(4-chlorophenyl)-1H-pyrazolo[4,3-c]quinolin-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.438g/cm3
Boiling Point 510.9ºC at 760 mmHg
Molecular Formula C16H10ClN3O
Molecular Weight 295.72300
Flash Point 262.8ºC
Exact Mass 295.05100
PSA 50.68000
LogP 3.52040
Index of Refraction 1.723
InChIKey QCBUAKLOWCOUCR-UHFFFAOYSA-N
SMILES O=c1c2cnc3ccccc3c2[nH]n1-c1ccc(Cl)cc1

 Synthetic Route

~%

2-(4-chlorophenyl)-2,5-dihydropyrazolo(4,3-c)quinoline-3(3H)-one Structure

2-(4-chlorophen...

CAS#:77779-36-3

Learn More
Literature: Yokoyama; Ritter; Neubert Journal of Medicinal Chemistry, 1982 , vol. 25, # 4 p. 337 - 339

~%

2-(4-chlorophenyl)-2,5-dihydropyrazolo(4,3-c)quinoline-3(3H)-one Structure

2-(4-chlorophen...

CAS#:77779-36-3

Learn More
Literature: Fryer; Zhang; Rios; Gu; Basile; Skolnick Journal of Medicinal Chemistry, 1993 , vol. 36, # 11 p. 1669 - 1673

~%

2-(4-chlorophenyl)-2,5-dihydropyrazolo(4,3-c)quinoline-3(3H)-one Structure

2-(4-chlorophen...

CAS#:77779-36-3

Learn More
Literature: Fryer; Zhang; Rios; Gu; Basile; Skolnick Journal of Medicinal Chemistry, 1993 , vol. 36, # 11 p. 1669 - 1673

 Bioassay

View more

Name: Enzymatic assay of human HDAC6 with commercial peptide substrate
Source: ChEMBL
Target: Histone deacetylase 6
External Id: CHEMBL4808149
Name: Enzymatic assay of human HDAC6 with custom peptide substrate
Source: ChEMBL
Target: Histone deacetylase 6
External Id: CHEMBL4808150
Name: Antiviral activity determined as inhibition of SARS-CoV-2 induced cytotoxicity of VER...
Source: ChEMBL
Target: Severe acute respiratory syndrome coronavirus 2
External Id: CHEMBL4513082
Name: Hit confirmation of the active molecules of the enzymatic assay of human HDAC6 with c...
Source: ChEMBL
Target: Histone deacetylase 6
External Id: CHEMBL4808151
Name: Antiviral activity determined as inhibition of SARS-CoV-2 induced cytotoxicity of Cac...
Source: ChEMBL
Target: Severe acute respiratory syndrome coronavirus 2
External Id: CHEMBL4303805
Name: Alphascreen assay for small molecules abrogating mHTT-CaM Interaction
Source: 24983
Target: Huntingtin
External Id: KUHTS-Muma KU-CaM-Htt INH-01
Name: Determination of IC50 values for inhibition of enzymatic assay of human HDAC6 with cu...
Source: ChEMBL
Target: Histone deacetylase 6
External Id: CHEMBL4808152
Name: SARS-CoV-2 3CL-Pro protease inhibition percentage at 20µM by FRET kind of response f...
Source: ChEMBL
Target: Replicase polyprotein 1ab
External Id: CHEMBL4495582
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 Synonyms

Cgs 9896
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