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51516-67-7

51516-67-7 Structure

51516-67-7 Structure
IdentificationBack Directory
[Name]

5-AMINO-1-(4-CHLOROPHENYL)-1H-PYRAZOLE-4-CARBONITRILE
[CAS]

51516-67-7
[Synonyms]

BUTTPARK 87\09-40
5-Amino-1-(4-chlorophenyl)
5-AMINO-1-(4-CHLOROPHENYL)-1H-PYRAZOLE-&
5-aMino-1-(4-chlorophenyl)-1H-pyrazole-4-
5-AMINO-1-(4-CHLOROPHENYL)-4-CYANOPYRAZOLE
5-AMINO-4-CYANO-1-(4-CHLOROPHENYL)PYRAZOLE
5-amino-1 -(4-chlorophenyl) -4-cyano-1H-pyrazole
5-Amino-1-(4-chlorophenyl)pyrazole-4-carbonitrile
5-AMINO-1-(4-CHLOROPHENYL)-1H-PYRAZOLE-4-CARBONITRILE
1H-Pyrazole-4-carbonitrile, 5-amino-1-(4-chlorophenyl)-
5-Amino-1-(4-chlorophenyl)-1H-pyrazole-4-carbonitrile ,97%
[Molecular Formula]

C10H7ClN4
[MDL Number]

MFCD00052031
[MOL File]

51516-67-7.mol
[Molecular Weight]

218.64
Chemical PropertiesBack Directory
[Melting point ]

169-173 °C
[Boiling point ]

424.2±40.0 °C(Predicted)
[density ]

1.41±0.1 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Inert atmosphere,Room temperature
[form ]

solid
[pka]

-1.15±0.10(Predicted)
[Appearance]

Light brown to yellow Solid
[InChI]

1S/C10H7ClN4/c11-8-1-3-9(4-2-8)15-10(13)7(5-12)6-14-15/h1-4,6H,13H2
[InChIKey]

WIWSALMJHPGFDY-UHFFFAOYSA-N
[SMILES]

Nc1c(cnn1-c2ccc(Cl)cc2)C#N
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

22-37/38-41-36/37/38-20/21/22
[Safety Statements ]

26-36/39-36/37/39-22
[RIDADR ]

UN3439
[WGK Germany ]

3
[HazardClass ]

6.1
[PackingGroup ]

III
[HS Code ]

29331990
[Storage Class]

11 - Combustible Solids
[Hazard Classifications]

Acute Tox. 4 Oral
Eye Dam. 1
Skin Irrit. 2
STOT SE 3
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Hydrochloric acid-->Sodium nitrite-->Triethyl orthoformate-->Malononitrile-->4-Chloroaniline-->Stannous chloride-->4-Chlorophenylhydrazine-->Ethoxymethylenemalononitrile
[Preparation Products]

5-Amino-1-(4-chloro-phenyl)-1H-pyrazole-4-carboxylic acid amide
Hazard InformationBack Directory
[Chemical Properties]

White to off-white crystalline powder
[Synthesis]

4-Chlorophenylhydrazine

1073-69-4

Ethoxymethylenemalononitrile

123-06-8

5-AMINO-1-(4-CHLOROPHENYL)-1H-PYRAZOLE-4-CARBONITRILE

51516-67-7

GENERAL METHOD: 4-Chlorophenylhydrazine (0.001 mol) was mixed with 10 mL of ethanol, stirred and heated to reflux. Subsequently, ethoxymethylene malononitrile (0.001 mol) dissolved in 10 mL of ethanol was added slowly and dropwise. The reaction mixture was kept at reflux for 2 hours. After completion of the reaction, the mixture was poured into 50 mL of ice water. The precipitate precipitated was collected by filtration and washed with cold water to afford 5-amino-1-(4-chlorophenyl)-1H-pyrazole-4-carbonitrile in 61-80% yield.

[References]

[1] Heterocyclic Communications, 2005, vol. 11, # 5, p. 385 - 388
[2] Medicinal Chemistry Research, 2018, vol. 27, # 8, p. 1876 - 1884
[3] European Journal of Medicinal Chemistry, 2008, vol. 43, # 4, p. 771 - 780
[4] Journal of Medicinal Chemistry, 1991, vol. 34, # 9, p. 2892 - 2898
[5] Australian Journal of Chemistry, 1989, vol. 42, # 5, p. 747 - 750
Spectrum DetailBack Directory
[Spectrum Detail]

5-AMINO-1-(4-CHLOROPHENYL)-1H-PYRAZOLE-4-CARBONITRILE(51516-67-7)1HNMR
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