Ethyl 4-pyrazolecarboxylate

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Names

[ CAS No. ]:
37622-90-5

[ Name ]:
Ethyl 4-pyrazolecarboxylate

[Synonym ]:
Ethyl pyrazole-4-carboxylate
MFCD00010844
1H-Pyrazole-4-carboxylic acid, ethyl ester
Ethyl 4-Pyrazolecarboxylate
4-Pyrazolecarboxylic Acid Ethyl Ester
Ethyl 1H-pyrazole-4-carboxylate
Ethyl-1H-pyrazole-4-carboxylate

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
307.8±0.0 °C at 760 mmHg

[ Melting Point ]:
78-80 °C(lit.)

[ Molecular Formula ]:
C6H8N2O2

[ Molecular Weight ]:
140.14

[ Flash Point ]:
122.7±19.8 °C

[ Exact Mass ]:
140.058578

[ PSA ]:
54.98000

[ LogP ]:
1.25

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.522

MSDS

Safety Information

[ Symbol ]:

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-S37/39

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2933199090

Synthetic Route

Precursor & DownStream

Precursor

  • Ethyl 2-formyl-3-oxopropanoate
  • Ethyl 3-amino-4-pyrazolecarboxylate
  • 4-Carboxypyrazole
  • Ethanol

DownStream

  • 4-Carboxypyrazole
  • ethyl 1-benzylpyrazole-4-carboxylate
  • 1H-Pyrazole-4-carbaldehyde
  • Ethyl 3,5-dibromo-1H-pyrazole-4-carboxylate
  • ethyl 1-(pyridin-2-yl)-1H-pyrazole-4-carboxylate
  • 4-Hydroxymethylpyrazole
  • N-Methylpyrazole-4-carboxamide
  • Ethyl 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carboxylate
  • ethyl 1-(hydroxymethyl)pyrazole-4-carboxylate
  • 1-Methyl-1H-Pyrazole-4-Carboxylic Acid Ethyl Ester

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%

Articles

Copper-diamine-catalyzed N-arylation of pyrroles, pyrazoles, indazoles, imidazoles, and triazoles.

J. Org. Chem. 69 , 5578, (2004)

This paper details the copper-catalyzed N-arylation of pi-excessive nitrogen heterocycles. The coupling of either aryl iodides or aryl bromides with common nitrogen heterocycles (pyrroles, pyrazoles, ...

Conversion of cysteinyl residues to unnatural amino acid analogs. Examination in a model system.

J. Protein Chem. 15(8) , 737-42, (1996)

Improved and efficient techniques have led to an explosive growth in the application of site-directed mutagenesis to the study of enzymes. However, the limited availability of only those 20 amino acid...


More Articles


Related Compounds

  • Ethyl 4-phenyl-1H-pyrazole-3-carboxylate
  • Ethyl 4-bromo-1,3-dimethylpyrazole-5-carboxylate
  • Ethyl 3-amino-4-pyrazolecarboxylate
  • ethyl 4-(3-hydroxyprop-1-enyl)benzoate
  • Benzoic acid, 4-[[(4-methoxyphenyl)sulfonyl]amino]-, ethyl ester
  • ethyl 4-(2-phenoxyethyl)piperazine-1-carboxylate