4-methyl-2-phenylphthalazin-1-one

Modify Date: 2026-08-14 18:59:13

4-methyl-2-phenylphthalazin-1-one Structure
4-methyl-2-phenylphthalazin-1-one structure
Common Name 4-methyl-2-phenylphthalazin-1-one
CAS Number 6941-96-4 Molecular Weight 236.26900
Density 1.17g/cm3 Boiling Point 396.2ºC at 760 mmHg
Molecular Formula C15H12N2O Melting Point N/A
MSDS N/A Flash Point 193.4ºC

 Names

Name 4-methyl-2-phenylphthalazin-1-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.17g/cm3
Boiling Point 396.2ºC at 760 mmHg
Molecular Formula C15H12N2O
Molecular Weight 236.26900
Flash Point 193.4ºC
Exact Mass 236.09500
PSA 34.89000
LogP 2.69410
Index of Refraction 1.634
InChIKey GUVJWGAVZJXYTJ-UHFFFAOYSA-N
SMILES Cc1nn(-c2ccccc2)c(=O)c2ccccc12
Storage condition 2-8℃

 Synthetic Route

~%

4-methyl-2-phenylphthalazin-1-one Structure

4-methyl-2-phen...

CAS#:6941-96-4

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Literature: Vaughan et al. Journal of the American Chemical Society, 1951 , vol. 73, p. 2298,2300

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4-methyl-2-phenylphthalazin-1-one Structure

4-methyl-2-phen...

CAS#:6941-96-4

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Literature: Vaughan et al. Journal of the American Chemical Society, 1951 , vol. 73, p. 2298,2300

~%

4-methyl-2-phenylphthalazin-1-one Structure

4-methyl-2-phen...

CAS#:6941-96-4

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Literature: Vaughan et al. Journal of the American Chemical Society, 1951 , vol. 73, p. 2298,2300

~%

4-methyl-2-phenylphthalazin-1-one Structure

4-methyl-2-phen...

CAS#:6941-96-4

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Literature: Rowe; Peters Journal of the Chemical Society, 1931 , p. 1918,1924

~%

4-methyl-2-phenylphthalazin-1-one Structure

4-methyl-2-phen...

CAS#:6941-96-4

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Literature: Helberger; v. Rebay Justus Liebigs Annalen der Chemie, 1937 , vol. 531, p. 279,286

~%

4-methyl-2-phenylphthalazin-1-one Structure

4-methyl-2-phen...

CAS#:6941-96-4

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Literature: Roser Chemische Berichte, 1885 , vol. 18, p. 804

 4-methyl-2-phenylphthalazin-1-oneBioassay

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Name: Primary cell-based high-throughput screening assay for identification of compounds th...
Source: Johns Hopkins Ion Channel Center
Target: regulator of G-protein signaling 4 isoform 2 [Homo sapiens]
External Id: JHICC_RGS_Act_HTS
Name: Luminescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: mu-type opioid receptor isoform MOR-1 [Homo sapiens]
External Id: OPRM1-OPRD1_AG_LUMI_1536_1X%ACT PRUN
Name: QFRET-based biochemical primary high throughput screening assay to identify exosite i...
Source: The Scripps Research Institute Molecular Screening Center
Target: disintegrin and metalloproteinase domain-containing protein 17 preproprotein [Homo sapiens]
External Id: ADAM17_INH_QFRET_1536_1X%INH PRUN
Name: Fluorescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_AG_FLUO8_1536_1X%ACT PRUN
Name: uHTS identification of small molecule activators of the adaptive arm of the Unfolded ...
Source: Burnham Center for Chemical Genomics
Target: N/A
External Id: BCCG-A405-UPR-XBP1-PrimaryAgonist-Assay
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: High throughput fluorescence intensity-based biochemical assay to screen for small mo...
Source: University of Pittsburgh Molecular Library Screening Center
Target: furin (paired basic amino acid cleaving enzyme), isoform CRA_a [Homo sapiens]
External Id: MH080376 Biochemical HTS for Inhibitors of the Proprotein Convertase Furin.
Name: Fluorescence polarization to screen for inhibitor that competite the binding of FadD2...
Source: Broad Institute
Target: FATTY-ACID-CoA LIGASE FADD28 (FATTY-ACID-CoA SYNTHETASE)
External Id: 2147-01_Inhibitor_SinglePoint_HTS_Activity
Name: Bursicon-induced LGR2 mediated cAMP production in LGR-2/CRE6x-Luciferase co-transfect...
Source: Broad Institute
Target: N/A
External Id: Bursicon-induced LGR2 mediated cAMP production in LGR-2/CRE6x-Luciferase co-transfected HEK293 cells Inhibition - 7011-01_Antagonist_SinglePoint_HTS_Activity
Name: Fluorescence-based cell-based primary high throughput screening assay to identify pos...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_PAM_FLUO8_1536_1X%ACT PRUN
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 Synonyms

2-Phenyl-4-methyl-phthalazon
4-methyl-2-phenyl-2H-phthalazin-1-one
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