4-chlorobenzylidene phthalide

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Names

[ CAS No. ]:
20526-97-0

[ Name ]:
4-chlorobenzylidene phthalide

[Synonym ]:
3-(p-Chlorobenzylidene)phthalide
3-[(4-chlorophenyl)methylene]phthalide
3-(4-chlorobenzylidene)pentane-2,4-dione
3-(4-chlorobenzylidene)-2-benzofuran-1(3H)-one
Azelastine impurity E
3-(4-Chlorobenzylidene)-2,4-pentanedione
1-Oxo-3-(4-chlor-benzyliden)-phthalan
3-(4-chloro-benzylidene)-3H-isobenzofuran-1-one
3-(p-chlorobenzylidene)-2,4-pentandione

Chemical & Physical Properties

[ Melting Point ]:
153.0 to 158.0 °C

[ Molecular Formula ]:
C15H9ClO2

[ Molecular Weight ]:
256.68400

[ Exact Mass ]:
256.02900

[ PSA ]:
26.30000

[ LogP ]:
4.00850

[ Vapour Pressure ]:
6.76E-07mmHg at 25°C

Safety Information

[ RIDADR ]:
NONH for all modes of transport

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 4-Chlorophenylacetic acid
  • Phthalic anhydride

DownStream

  • 2-((4-Chlorophenyl)acetyl)benzoic acid
  • 4-(4-chlorobenzyl)phthalazin-1-ol
  • Chlorindione

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

  • (E)-3-(4-chlorobenzylidene)phthalide
  • (4-chlorobenzylidene)triphenyl-l5-arsane
  • (Z)-3-(4-chlorophenyl)methylidenephthalide
  • N-(4-chlorobenzylidene)benzohydrazonoyl chloride
  • 5-(4-chlorobenzylidene)-1,3-dimethyl-2,4,6(1H,3H,5H)pyrimidinetrione
  • N-(4-chlorobenzylidene)propan-1-amine
  • Ethyl 1-(piperidin-3-yl)-1H-1,2,3-triazole-4-carboxylate
  • 4-Chloro-2-cyclopropyl-5,6-dimethylpyrimidine
  • N-Ethyl-1-(piperidin-3-yl)-1H-1,2,3-triazole-4-carboxamide
  • 4-Chloro-5,6-dimethyl-2-(5-methylfuran-2-yl)pyrimidine
  • N-Cyclopropyl-1-(piperidin-3-yl)-1H-1,2,3-triazole-4-carboxamide
  • 4-(Aminomethyl)-1-butylpyridin-2(1h)-one
  • N,N-Diethyl-1-(piperidin-3-yl)-1H-1,2,3-triazole-4-carboxamide
  • Omeprazole-N-(S)-camphorsulfonamide
  • (1-(Piperidin-3-yl)-1H-1,2,3-triazol-4-yl)(pyrrolidin-1-yl)methanone
  • 4-Chloro-2-isobutyl-5,6-dimethylpyrimidine
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