Name | 2-Hydroxy-1,6,7,8-tetramethoxy-3-methylanthracene-9,10-dione |
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Synonyms |
9,10-Anthracenedione, 2-hydroxy-1,6,7,8-tetramethoxy-3-methyl-
Chryso-obtusin 2-Hydroxy-1,6,7,8-tetramethoxy-3-methyl-9,10-anthraquinone |
Description | Chrysoobtusin is an anthraquinone derivative isolated from Semen Cassiae. Semen Cassiae has long been used to protect liver, brighten eyes, and relieve constipation[1][2]. |
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Related Catalog | |
References |
Density | 1.3±0.1 g/cm3 |
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Boiling Point | 586.2±50.0 °C at 760 mmHg |
Melting Point | 215-216 ºC |
Molecular Formula | C19H18O7 |
Molecular Weight | 358.342 |
Flash Point | 212.4±23.6 °C |
Exact Mass | 358.105255 |
PSA | 91.29000 |
LogP | 3.36 |
Vapour Pressure | 0.0±1.7 mmHg at 25°C |
Index of Refraction | 1.598 |
Storage condition | 2-8℃ |
Water Solubility | Insuluble (5.4E-3 g/L) (25 ºC) |
HS Code | 2914690090 |
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~57% 70588-06-6 |
Literature: Cameron, Donald W.; Feutrill, Geoffrey I.; Gamble, Glenn B.; Stavrakis, John Tetrahedron Letters, 1986 , vol. 27, # 41 p. 4999 - 5002 |
~% 70588-06-6 |
Literature: Kitanaka, Susumu; Kimura, Fumie; Takido, Michio Chemical & Pharmaceutical Bulletin, 1985 , vol. 33, # 3 p. 1274 - 1276 |
~% 70588-06-6 |
Literature: Cameron, Donald W.; Feutrill, Geoffrey I.; Gamble, Glenn B.; Stavrakis, John Tetrahedron Letters, 1986 , vol. 27, # 41 p. 4999 - 5002 |
Precursor 3 | |
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DownStream 0 |
HS Code | 2914690090 |
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Summary | 2914690090 other quinones。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |