3-Methyl-1,2-oxazole-5-carboxylic acid

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Names

[ CAS No. ]:
4857-42-5

[ Name ]:
3-Methyl-1,2-oxazole-5-carboxylic acid

[Synonym ]:
3-Methyl-1,2-oxazole-5-carboxylic acid
5-Isoxazolecarboxylic acid, 3-methyl-
3-Methylisoxazole-5-Carboxylic Acid

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
307.8±22.0 °C at 760 mmHg

[ Melting Point ]:
206 °C(dec.)

[ Molecular Formula ]:
C5H5NO3

[ Molecular Weight ]:
127.098

[ Flash Point ]:
139.9±22.3 °C

[ Exact Mass ]:
127.026939

[ PSA ]:
63.33000

[ LogP ]:
0.02

[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C

[ Index of Refraction ]:
1.514

MSDS

Click to get detail MSDS

Safety Information

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • ethyl 3-methyl-1,2-oxazole-5-carboxylate
  • 3-Methyl-5-Isoxazolemethanol
  • 4-methoxy-4-methyl-1,1,1-trichloro-3-buten-2-one
  • 3-methyl-5-(trichloromethyl)-4H-1,2-oxazol-5-ol
  • Ethyl acetopyruvate
  • ethyl 4-hydroxyimino-2-oxopentanoate
  • 6-(azepan-1-yl)-1-ethyl-4-methyl-5-[(3-methyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]-2-oxopyridine-3-carbonitrile
  • 3-methyl-5-prop-1-enyl-4,5-dihydro-1,2-oxazole

DownStream

  • 3-Methyl-5-isoxazolecarbonyl chloride
  • 5-Methyl-1H-pyrazole-3-carboxylic acid
  • ethyl 3-methyl-1,2-oxazole-5-carboxylate
  • 3-Methyl-5-Isoxazolemethanol

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 4-Bromo-3-methyl-1,2-oxazole-5-carboxylic acid
  • 4-Chloro-3-methyl-1,2-oxazole-5-carboxylic acid
  • 4-formyl-3-methyl-1,2-oxazole-5-carboxylic acid
  • 3-Methyl-4,5-dihydro-5-isoxazolecarboxylic acid
  • 3-ethoxy-4-methyl-1,2-oxazole-5-carboxylic acid
  • 3-Methylisoxazole-5-carboxamide
  • 2-(4-amino-1H-1,2,3-triazol-1-yl)propanenitrile
  • 5-bromo-N-cyclopropyl-N-methylquinazolin-2-amine
  • 1-(4,4-difluoro-2,2-dimethylbutyl)-1H-pyrazol-3-amine
  • 1-(But-2-yn-1-yl)-4,4-dimethylcyclohex-2-en-1-ol
  • 2-(3-Methylthiophen-2-yl)oxolane-2-carboxylic acid
  • (2S)-1-[3-(pentafluoroethyl)phenyl]propan-2-ol
  • 8,8-Dimethyl-7-oxo-2-azaspiro[3.5]non-5-ene-6-carbonitrile
  • 2-Methylpentane-2-sulfinyl chloride
  • 5-(7-Bromoheptoxy)-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione
  • 4-[2-(Difluoromethyl)pyridin-4-yl]-3-fluoroaniline
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