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21634-52-6

21634-52-6 structure
21634-52-6 structure
  • Name: 3,3',4',5,5',7,8-Heptamethoxyflavone
  • Chemical Name: 3,5,7,8-Tetramethoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one
  • CAS Number: 21634-52-6
  • Molecular Formula: C22H24O9
  • Molecular Weight: 432.421
  • Catalog: Natural product Flavonoids
  • Create Date: 2018-12-25 07:17:05
  • Modify Date: 2025-08-26 05:10:25
  • Hibiscetin heptamethyl ether is a natural product isolated from various medicinal plants[1].
Name 3,5,7,8-Tetramethoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one
Synonyms 3,5,7,8-Tetramethoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one
4H-1-Benzopyran-4-one, 3,5,7,8-tetramethoxy-2-(3,4,5-trimethoxyphenyl)-
3,5,7,7-tetrachloro-hept-2-ene
2-Heptene,3,5,7,7-tetrachloro
Description Hibiscetin heptamethyl ether is a natural product isolated from various medicinal plants[1].
Related Catalog
References

[1]. Azizuddin, et al. Tyrosinase inhibitory potential of natural products isolated from various medicinal plants. Nat Prod Res. 2011 Apr;25(7):750-3.  

Density 1.3±0.1 g/cm3
Boiling Point 621.5±55.0 °C at 760 mmHg
Molecular Formula C22H24O9
Molecular Weight 432.421
Flash Point 269.2±31.5 °C
Exact Mass 432.142029
PSA 94.82000
LogP 1.65
Vapour Pressure 0.0±1.8 mmHg at 25°C
Index of Refraction 1.576
Hazard Codes Xi
HS Code 2914509090
110193-72-1 structure

110193-72-1

77-78-1 structure

77-78-1

~%

21634-52-6 structure

21634-52-6

Literature: Horie, Tokunaru; Tsukayama, Masao; Kawamura, Yasuhiko; Yamamoto, Shigeo Phytochemistry (Elsevier), 1988 , vol. 27, # 5 p. 1491 - 1496
77-78-1 structure

77-78-1

~%

21634-52-6 structure

21634-52-6

Literature: Rao; Seshadri Proceedings - Indian Academy of Sciences, Section A, 1948 , # 27 p. 104,109
42923-40-0 structure

42923-40-0

~%

21634-52-6 structure

21634-52-6

Literature: Rao et al. Proceedings - Indian Academy of Sciences, Section A, 1944 , # 19 p. 88,91
1719-88-6 structure

1719-88-6

~%

21634-52-6 structure

21634-52-6

Literature: Rao et al. Proceedings - Indian Academy of Sciences, Section A, 1944 , # 19 p. 88,91
5084-19-5 structure

5084-19-5

~%

21634-52-6 structure

21634-52-6

Literature: Rao; Seshadri Proceedings - Indian Academy of Sciences, Section A, 1947 , # 25 p. 444,445
859050-46-7 structure

859050-46-7

77-78-1 structure

77-78-1

~%

21634-52-6 structure

21634-52-6

Literature: Rao; Seshadri Proceedings - Indian Academy of Sciences, Section A, 1947 , # 25 p. 444,445
HS Code 2914509090
Summary HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%
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title: CAS No. 21634-52-6 | Chemsrc address: https://www.chemsrc.com/en/baike/454349.html

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