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

  • Benzoic acid, 4-[[2-[(E)-(3,3-dimethylbutylidene)amino]acetyl]amino]-3-methoxy-, ethyl ester
  • (S)-1-Benzhydryl-2-methylazetidine
  • N-Methyl-D-phenylalanine phenylmethyl ester
  • Z-D-2Aoc-OH
  • (2S,5S)-5-(4-Hydroxyphenyl)pyrrolidine-2-carboxylic acid
  • methyl (1S,4S)-4-aminocyclopent-2-ene-1-carboxylate
  • (2R,4R)-4-hydroxy-3,4-dihydro-2H-1-benzopyran-2-carboxylic acid
  • 5-Ethyl-6-methoxypicolinaldehyde
  • rac-ethyl (1R,2S)-2-(aminomethyl)cyclopropane-1-carboxylate
  • 5-(3,4-dihydro-2H-pyran-6-yl)-1-methyl-4-nitro-1H-pyrazole
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