isoxazole-5-carboxylic acid

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Names

[ CAS No. ]:
21169-71-1

[ Name ]:
isoxazole-5-carboxylic acid

[Synonym ]:
isoxazole-5-carboxylic acid
isoxazol-5-carboxylic acid
F2158-0308
5-Carboxy-1,2-oxazole
MFCD00156151
5-isoxazolylcarboxylic acid
Isoxazol-5-carbonsaeure
1,2-Oxazole-5-carboxylic acid
5-Carboxyisoxazole
5-Isoxazolecarboxylic acid

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
321.2±15.0 °C at 760 mmHg

[ Melting Point ]:
144-148 °C(lit.)

[ Molecular Formula ]:
C4H3NO3

[ Molecular Weight ]:
113.072

[ Flash Point ]:
148.1±20.4 °C

[ Exact Mass ]:
113.011292

[ PSA ]:
63.33000

[ LogP ]:
-0.44

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

[ Index of Refraction ]:
1.517

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S24/25-S25-S24

[ WGK Germany ]:
3

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Isoxazole
  • Carbon dioxide
  • (E)-1,1,1-trichloro-4-ethoxy-3-buten-2-one
  • 5-methylisoxazol
  • 5-(trichloromethyl)-4,5-dihydroisoxazol-5-ol
  • 5-(Trichloromethyl)isoxazole
  • 1,2-oxazol-5-ylmethanol
  • 1-(isoxazol-3-yl)ethanone

DownStream

  • 1,2-oxazol-5-ylmethanol
  • ISOXAZOLE-5-CARBOXAMIDE
  • Isoxazole-5-carbonyl chloride
  • Methyl 1,2-oxazole-5-carboxylate

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

  • isoxazole-5-carboxylic acid
  • isoxazole-5-carboxylic acid amide
  • 3-Bromoisoxazole-5-carboxylic acid
  • 3-Phenylisoxazole-5-carboxylic acid
  • 3-amino-isoxazole-5-carboxylic acid
  • 3-Ethyl-isoxazole-5-carboxylic acid
  • 2-chloro-4-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]benzoic acid
  • (2S)-4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(1-methyl-1H-pyrazol-4-yl)acetamido]-2-hydroxybutanoic acid
  • 2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-(trifluoromethyl)pentanamido]butanoic acid
  • 2-ethyl-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]pyrrolidine-3-carboxylic acid
  • 2-ethyl-1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]pyrrolidine-3-carboxylic acid
  • 2-ethyl-1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpentanoyl]pyrrolidine-3-carboxylic acid
  • 4-({[1-(ethylsulfanyl)cyclopropyl]methyl}carbamoyl)-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid
  • (4R)-3-{2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxan-4-yl]acetyl}-1,3-thiazolidine-4-carboxylic acid
  • (2S)-4-{2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxan-4-yl]acetamido}-2-hydroxybutanoic acid
  • 3-{2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxan-4-yl]acetamido}-2,2-difluoropropanoic acid
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