4-Carboxypyrazole

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Names

[ CAS No. ]:
37718-11-9

[ Name ]:
4-Carboxypyrazole

[Synonym ]:
MFCD00011558
4-PYRAZOLECARBOXYLIC ACID
EINECS 253-641-5
1H-Pyrazole-3-carboxylic acid
pyrazole-4-carboxylic acid
1H-Pyrazole-4-carboxylic acid

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
417.1±18.0 °C at 760 mmHg

[ Melting Point ]:
282 °C (dec.)(lit.)

[ Molecular Formula ]:
C4H4N2O2

[ Molecular Weight ]:
112.087

[ Flash Point ]:
206.1±21.2 °C

[ Exact Mass ]:
112.027275

[ PSA ]:
65.98000

[ LogP ]:
0.41

[ Vapour Pressure ]:
0.0±1.0 mmHg at 25°C

[ Index of Refraction ]:
1.617

MSDS

Click to get detail 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

Precursor & DownStream

Precursor

  • 4-Bromopyrazole
  • Fomepizole
  • 1-Benzyl-1H-pyrazole-4-carboxylic acid
  • 4-Phenyl-1H-pyrazole
  • Ethyl 4-pyrazolecarboxylate
  • Phenyllithium
  • Diethyl ether

DownStream

  • Methyl 1H-Pyrazole-4-Carboxylate
  • Ethyl 4-pyrazolecarboxylate
  • Pyrazole
  • 4-Pyrazolecarboxamide

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

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

  • 1-(p-sulfamylphenyl)-3-methyl-5-phenyl-4-carboxypyrazole
  • 4-Amino-2-chloro-5-(1H-tetrazol-5-yl)benzenesulfonamide
  • 4-(4-Chlorophenyl)-4-Bromopiperide
  • 4-(2-nitroimidazol-1-yl)butane-1,2-diol
  • 4-Iodo-1H-indazole-3-carboxylic acid
  • 4-chlorooxolan-3-ol,formic acid
  • (E)-2-phenyl-N-(3-pyridyl)-N-(3-thienylmethyl)ethenesulfonamide
  • tert-butyl N-methyl-N-[2-(4-nitrobenzenesulfonamido)ethyl]carbamate
  • 1-Bromo-4-(2-methoxyethylsulfonyl)benzene
  • 5,5-Difluoropentan-1-ol
  • (S)-2-Azidopropanoic acid
  • 7-Methyl-2,7-diazaspiro[4.4]nonan-1-one
  • N'-hydroxy-3-methylpentanimidamide
  • 5-phenyl-N-(3-(pyridin-4-yl)-1H-indazol-5-yl)piperidine-3-carboxamide
  • 3-(2,5-dioxopyrrolidin-1-yl)-N-[5-(phenoxymethyl)-1,3,4-oxadiazol-2-yl]benzamide
  • N-(6-ethoxybenzo[d]thiazol-2-yl)-2-(3-(furan-2-yl)-6-oxopyridazin-1(6H)-yl)acetamide
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