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259653-54-8

259653-54-8 structure
259653-54-8 structure
  • Name: 5-Hydroxy-3-(4-hydroxybenzylidene)-7-methoxy-4-chromane
  • Chemical Name: (3E)-5-Hydroxy-3-(4-hydroxybenzylidene)-7-methoxy-2,3-dihydro-4H- chromen-4-one
  • CAS Number: 259653-54-8
  • Molecular Formula: C17H14O5
  • Molecular Weight: 298.29
  • Catalog: Natural product Flavonoids
  • Create Date: 2016-12-24 21:04:09
  • Modify Date: 2024-01-10 21:42:14
  • 3-(4-Hydroxybenzylidene)-5-hydroxy-7-methoxychroman-4-one is derived from natural Scilla nervosa subsp. rigidifolia ofisoflavone compounds [1].

Name (3E)-5-Hydroxy-3-(4-hydroxybenzylidene)-7-methoxy-2,3-dihydro-4H- chromen-4-one
Synonyms (3Z)-5-Hydroxy-3-(4-hydroxybenzylidene)-7-methoxy-2,3-dihydro-4H-chromen-4-one
4H-1-Benzopyran-4-one, 2,3-dihydro-5-hydroxy-3-[(4-hydroxyphenyl)methylene]-7-methoxy-, (3Z)-
4H-1-Benzopyran-4-one, 2,3-dihydro-5-hydroxy-3-[(4-hydroxyphenyl)methylene]-7-methoxy-, (3E)-
(3E)-5-Hydroxy-3-(4-hydroxybenzylidene)-7-methoxy-2,3-dihydro-4H-chromen-4-one
Description 3-(4-Hydroxybenzylidene)-5-hydroxy-7-methoxychroman-4-one is derived from natural Scilla nervosa subsp. rigidifolia ofisoflavone compounds [1].
Related Catalog
References

[1]. Alfonse Silayo, et al. Homoiso avonoids and stilbenes from the bulbs of Scilla nervosa subsp. rigidifolia. Phytochemistry. 1999, 52:947-955.

Density 1.4±0.1 g/cm3
Boiling Point 574.8±50.0 °C at 760 mmHg
Molecular Formula C17H14O5
Molecular Weight 298.29
Flash Point 217.5±23.6 °C
Exact Mass 298.084137
PSA 75.99000
LogP 3.58
Vapour Pressure 0.0±1.6 mmHg at 25°C
Index of Refraction 1.690
Hazard Codes Xi
HS Code 2932999099
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%