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Molecular Formula: C15H10O6
Molecular Weight: 286.24
EINECS: 207-741-0
Purity: 97% Min.
Package: 5 g / 25 g / 1 kg / 25 kg
CAS: 491-70-3 Luteolin
Luteolin is a very typical kind of natural flavonoid and belongs to weak acidic tetrahydroxy flavonoids. It is widely distributed in the plant kingdom and is mainly presented in honeysuckle, chrysanthemum, Nepeta, Herba Ajuga and some other drugs as well as many kinds of vegetables such as thyme, Brussels sprouts, cabbage, cauliflower, beets, broccoli and carrots. Moreover, it is also distributed in the form of glycosides in celery, green pepper, and basil leaves as well as the fruit shell of the legume plant Arachis hypogaea, Ajuga decumbus, Lonicera japonica Thunb, Gentianaceae plant Gentianopsis paludosa, and Valerianaceae plant Valeriana amurensis Smir. The pure product of Luteolin appears as yellow crystalline powder.
ITEMS | SPECIFICATION |
Melting point | ´Ê330?¡ã°ä(±ô¾±³Ù.) |
InChIKey | IQPNAANSBPBGFQ-UHFFFAOYSA-N |
storage temp. | 2-8¡ã°ä |
Merck | 14,5614 |
color | yellow |
refractive index | 1.4413 |
form | powder |
Water Solubility | Soluble in aqueous alkaline solutions (1.4 mg/ml), ethanol (~5 mg/ml), dimethyl sulfoxide (7 mg/ml), 1eq. Sodium hydroxide (5 mM), dimethylformamide (~20 mg/ml), water (1 mg/ml) at 25¡ãC and methanol. |
density | 1.2981 |
Boiling point | 348.61¡ã°ä&²Ô²ú²õ±è; |
pka | 6.50 |
EPA Substance Registry System | Luteolin (491-70-3) |
BRN | 292084 |
CAS DataBase Reference | 491-70-3(CAS DataBase Reference) |
Synthesis of CAS: 491-70-3 Luteolin
With pyridine hydrochloride at 190¡æ; for 6h; Inert atmosphere;
Reference:
Wang, Qian; Zhang, Ji; Liu, Man; Yang, Jian; Zhang, Xiang-Ming; Zhou, Lei; Cao, Lang; Liao, Xia-Li [Journal of 365betÓéÀÖ Research, 2015, vol. 39, # 9, p. 550 - 552]
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