2H-1-Benzopyran-3-carboxylic acid, 4-hydroxy-2-oxo-, ethyl ester

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Names

[ CAS No. ]:
1821-20-1

[ Name ]:
2H-1-Benzopyran-3-carboxylic acid, 4-hydroxy-2-oxo-, ethyl ester

[Synonym ]:
ethyl 4-hydroxy-2-oxo-2H-chromene-3-carboxylate
3-ethoxycarbonyl-4-hydroxycoumarin
4-hydroxy-2-oxo-2H-chromene-3-carboxylic acid ethyl ester
3-carbethoxy-4-hydroxy-coumarin

Chemical & Physical Properties

[ Density]:
1.41g/cm3

[ Boiling Point ]:
370.9ºC at 760 mmHg

[ Molecular Formula ]:
C12H10O5

[ Molecular Weight ]:
234.20500

[ Flash Point ]:
144.2ºC

[ Exact Mass ]:
234.05300

[ PSA ]:
76.74000

[ LogP ]:
1.67530

[ Vapour Pressure ]:
3.71E-06mmHg at 25°C

[ Index of Refraction ]:
1.603

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • ethyl [(2-acetoxyphenyl)hydroxymethylidene]ethoxycarbonylacetate
  • Aspirin
  • Diethyl malonate
  • Acetylsalicyloyl chloride

DownStream

  • 4-Hydroxycoumarin
  • ethyl 4-chloro-2-oxo-2H-chromene-3-carboxylate

Customs

[ HS Code ]: 2932209090

[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • N-{[1-(thiophen-3-yl)cyclopropyl]methyl}oxolane-3-carboxamide
  • N-[(1-Thiophen-3-ylcyclopropyl)methyl]oxane-4-carboxamide
  • 5-[4-(Trifluoromethyl)pyrimidin-2-yl]-octahydropyrrolo[3,4-c]pyrrole-1,3-dione
  • 5-(2-Methylpyrimidin-4-yl)-octahydropyrrolo[3,4-c]pyrrole-1,3-dione
  • 7-{Pyrido[3,4-d]pyrimidin-4-yl}-7-azabicyclo[2.2.1]heptane
  • N-[(1-Thiophen-3-ylcyclopropyl)methyl]cyclobutanecarboxamide
  • 7-{5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}-7-azabicyclo[2.2.1]heptane
  • N-{[1-(3,3-difluorocyclobutanecarbonyl)piperidin-4-yl]methyl}-N-methyl-4-(trifluoromethyl)pyridin-2-amine
  • 4-[(2-Cyclopropyl-1,3-thiazol-4-yl)methyl]-2-(thiomorpholine-4-carbonyl)morpholine
  • Tert-butyl 5-[5-(trifluoromethyl)pyridin-2-yl]-octahydropyrrolo[3,4-c]pyrrole-2-carboxylate
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