4-OXO-4,5,6,7-TETRAHYDROBENZOFURAN-3-CARBOXYLIC ACID

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Names

[ CAS No. ]:
56671-28-4

[ Name ]:
4-OXO-4,5,6,7-TETRAHYDROBENZOFURAN-3-CARBOXYLIC ACID

[Synonym ]:
4-oxo-6,7-dihydro-5H-1-benzofuran-3-carboxylic acid

Chemical & Physical Properties

[ Density]:
1.406g/cm3

[ Boiling Point ]:
383.5ºC at 760mmHg

[ Melting Point ]:
140ºC

[ Molecular Formula ]:
C9H8O4

[ Molecular Weight ]:
180.15700

[ Flash Point ]:
185.7ºC

[ Exact Mass ]:
180.04200

[ PSA ]:
67.51000

[ LogP ]:
1.49680

[ Index of Refraction ]:
1.576

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
C

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26-36/37/39

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Ethyl bromopyruvate
  • 1,2-Cyclohexanedione
  • 1,3-Cyclohexanedione
  • 3-Bromopyruvic acid

DownStream

  • L(-)-Tryptophan
  • METHYL 4-OXO-4,5,6,7-TETRAHYDROBENZOFURAN-3-CARBOXYLATE
  • 4,5,6,7-Tetrahydro-1H-indole
  • 1,5,6,7-Tetrahydro-4H-indol-4-one
  • 1-benzyl-6,7-dihydro-5H-indol-4-one
  • ethyl 4-oxo-6,7-dihydro-5H-1-benzofuran-3-carboxylate
  • indol-4-ol
  • 4-Hydroxybenzofuran-3-carboxylic acid

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 1-[3a-(Hydroxymethyl)-octahydrocyclopenta[b]pyrrol-1-yl]but-2-en-1-one
  • 1-[3a-(Hydroxymethyl)-octahydrocyclopenta[b]pyrrol-1-yl]-2-chloroethan-1-one
  • [1-(Oxolane-3-carbonyl)-octahydrocyclopenta[b]pyrrol-3a-yl]methanol
  • 3-[3a-(Hydroxymethyl)-octahydrocyclopenta[b]pyrrol-1-yl]-3-oxopropanenitrile
  • sodium 6-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-7-sulfinate
  • 2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]methyl}-4-methylpentanoic acid
  • Sodium 2,4-dimethyl-3,5-dinitrobenzene-1-sulfinate
  • Sodium 2-trifluoromethanesulfonylbenzene-1-sulfinate
  • 2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]-2-(methoxymethyl)butanoic acid
  • Sodium 3-acetamido-2,4-difluorobenzene-1-sulfinate
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