4-chloro-2H-furan-5-one

Names

[ CAS No. ]:
31004-27-0

[ Name ]:
4-chloro-2H-furan-5-one

[Synonym ]:
3-chloro-5H-furan-2-one
2-Chlor-4-hydroxy-cis-crotonsaeure-lacton
2-furonyl chloride
EINECS 250-428-9
3-chloro-2,5-dihydrofuran-2-one
2-chloro-4-hydroxy-cis-crotonic acid-lactone

Chemical & Physical Properties

[ Density]:
1.4g/cm3

[ Boiling Point ]:
273.2ºC at 760mmHg

[ Molecular Formula ]:
C4H3ClO2

[ Molecular Weight ]:
118.51800

[ Flash Point ]:
151.8ºC

[ Exact Mass ]:
117.98200

[ PSA ]:
26.30000

[ LogP ]:
0.66590

[ Index of Refraction ]:
1.503

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-bromo-2,5-dimethoxy-2,5-dihydro-furan
  • 2,5-Furandione,3-chloro-
  • 3,4-dichloro-2,5-dimethoxy-tetrahydro-furan-2-carboxylic acid methyl ester
  • Sulfuric acid
  • acetic acid
  • 3,4-dichloro-5H-furan-2-one

DownStream

  • (E)-Ethyl 4-oxobut-2-enoate
  • fumaraldehydic acid methyl ester

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

  • 3-(bromomethyl)-4-chloro-2H-furan-5-one
  • 3-tert-butylsulfanyl-4-chloro-2H-furan-5-one
  • 4-chloro-2-ethoxy-2H-furan-5-one
  • 4-chloro-3-(dibromomethyl)-2H-furan-5-one
  • 4-chloro-2-methoxy-2H-furan-5-one
  • 4-chloro-3-phenylsulfanyl-2H-furan-5-one
  • 2-({[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}methyl)-3-methylbutanoic acid
  • 2-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]pentanamido}butanoic acid
  • 3-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]pentanamido}-2-methylpropanoic acid
  • 2-cyclopropyl-2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]acetic acid
  • 4-{[1-(dimethylamino)-2-methylpropan-2-yl]carbamoyl}-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid
  • 1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]pyrrolidine-3-carboxylic acid
  • 3-{[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]formamido}-2-hydroxy-2-methylpropanoic acid
  • 2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methyl-N-propylbutanamido]acetic acid
  • 2-(1-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]methyl}cyclobutyl)acetic acid
  • 1-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutanecarbonyl]pyrrolidine-3-carboxylic acid
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