4-antipyrinecarboxaldehyde

Modify Date: 2026-07-04 12:24:56

4-antipyrinecarboxaldehyde Structure
4-antipyrinecarboxaldehyde structure
Common Name 4-antipyrinecarboxaldehyde
CAS Number 950-81-2 Molecular Weight 216.23600
Density 1.292g/cm3 Boiling Point 334.8ºC at 760mmHg
Molecular Formula C12H12N2O2 Melting Point 162-165 °C(lit.)
MSDS Chinese USA Flash Point 145.4ºC
Symbol GHS07
GHS07
Signal Word Warning

 Names

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

Name 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde
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 1.292g/cm3
Boiling Point 334.8ºC at 760mmHg
Melting Point 162-165 °C(lit.)
Molecular Formula C12H12N2O2
Molecular Weight 216.23600
Flash Point 145.4ºC
Exact Mass 216.09000
PSA 44.00000
LogP 1.29690
Index of Refraction 1.651
InChIKey QFYZFYDOEJZMDX-UHFFFAOYSA-N
SMILES Cc1c(C=O)c(=O)n(-c2ccccc2)n1C

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2933199090

 Synthetic Route

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

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4-antipyrinecarboxaldehyde Structure

4-antipyrinecar...

CAS#:950-81-2

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Literature: Chemical and Pharmaceutical Bulletin, , vol. 6, p. 374,376

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4-antipyrinecarboxaldehyde Structure

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CAS#:950-81-2

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Literature: US2622086 , ; Justus Liebigs Annalen der Chemie, , vol. 563, p. 1,9

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4-antipyrinecarboxaldehyde Structure

4-antipyrinecar...

CAS#:950-81-2

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Literature: Yakugaku Zasshi, , vol. 76, p. 167 Chem.Abstr., , p. 13939

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4-antipyrinecarboxaldehyde Structure

4-antipyrinecar...

CAS#:950-81-2

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Literature: Pharmaceutical Bulletin, , vol. 3, p. 393

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4-antipyrinecarboxaldehyde Structure

4-antipyrinecar...

CAS#:950-81-2

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Literature: DE848954 , ; DRP/DRBP Org.Chem.

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4-antipyrinecarboxaldehyde Structure

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CAS#:950-81-2

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Literature: Bulletin de la Societe Chimique de France, , p. 398

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4-antipyrinecarboxaldehyde Structure

4-antipyrinecar...

CAS#:950-81-2

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Literature: Bulletin de la Societe Chimique de France, , p. 398

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4-antipyrinecarboxaldehyde Structure

4-antipyrinecar...

CAS#:950-81-2

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Literature: DE900577 , ;

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4-antipyrinecarboxaldehyde Structure

4-antipyrinecar...

CAS#:950-81-2

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Literature: Journal fuer Praktische Chemie (Leipzig), , vol. 322, # 4 p. 543 - 553

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Articles1

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Preparation and spectroscopic characterization of iron (II) and copper (II) complexes of a functionalized crown ether. Hayvali Z.

Transit. Met. Chem. 34(1) , 97-101, (2009)

 4-antipyrinecarboxaldehydeBioassay

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

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: 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
Name: Fluorescence polarization-based biochemical high throughput primary assay to identify...
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=Sialate O-acetylesterase; AltName: Full=H-Lse; AltName: Full=Sialic acid-specific 9-O-acetylesterase; Flags: Precursor [Homo sapiens]
External Id: SIAE_INH_FP_1536_1X%INH PRUN
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 Synonyms

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

Antipyrinaldehyd
2,3-Dihydro-1,5-Dimethyl-3-Oxo-2-Phenyl-1H-Pyrazole-4-Carboxaldehyde
F0348-3312
1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carbaldehyde
EINECS 213-452-0
4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one
Antipyraldehyde
4-formyl-2,3-dimethyl-1-phenyl-3-pyrazoline-5-one
2,3-Dimethyl-4-formyl-1-phenyl-3-pyrazolin-5-one
4-Formylantipyrine
1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-carboxaldehyde
2,3-dimethyl-5-oxo-1-phenyl-3-pyrazoline-4-carbaldehyde
4-Antipyrinecarboxaldehyde
1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxaldehyde
MFCD00003144

 4-antipyrinecarboxaldehyde | 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 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde?
A: InChIKey of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde is QFYZFYDOEJZMDX-UHFFFAOYSA-N.
Q: What is the safety information for 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde?
A: Safety information for 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde: S26-S36.
Q: What is the boiling point of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde?
A: Boiling point of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde is 334.8ºC at 760mmHg.
Q: What is the molecular formula of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde?
A: Molecular formula of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde is C12H12N2O2.
Q: What is the LogP of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde?
A: LogP of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde is 1.29690.
Q: What is the SMILES notation of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde?
A: SMILES notation of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde is Cc1c(C=O)c(=O)n(-c2ccccc2)n1C.
Q: What is the molecular weight of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde?
A: Molecular weight of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde is 216.23600.
Q: What is the CAS number of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde?
A: CAS number of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde is 950-81-2.
Q: What is the melting point of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde?
A: Melting point of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde is 162-165 °C(lit.).
Q: What is the English name of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde?
A: The English name of 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde is 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde.

 4-antipyrinecarboxaldehydefactory

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

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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