3-O-Methylquercetin

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Chemical Structure| 1486-70-0 同义名 : NSC 154016; Quercetin 3-methyl ether
CAS号 : 1486-70-0
货号 : A860292
分子式 : C16H12O7
纯度 : 98%
分子量 : 316.26
MDL号 : MFCD00210588
存储条件：

Pure form Inert atmosphere, store in freezer, under -20°C

In solvent -20°C:3-6个月-80°C:12个月
溶解度 :

DMSO: 50 mg/mL(158.1 mM)，配合低频超声助溶，注意：DMSO长时间开封后，会吸水并导致溶解能力下降，请避免使用长期开封的DMSO
生物活性
描述 3-O-Methylquercetin, a natural product isolated and purified from the herbs of Croton cascarilloides with antiviral, anti-inflammatory and bronchodilating effects, is a selective and competitive PDE3/PDE4 inhibitor, and inhibits PDE3 than PDE4 with a low K(m) value. 3-O-Methylquercetin also inhibits total cAMP- and cGMP-phosphodiesterase (PDE) of guinea pig trachealis at low concentrations.
实验方案
1mg 5mg 10mg

1 mM

5 mM

10 mM

3.16mL

0.63mL

0.32mL

15.81mL

3.16mL

1.58mL

31.62mL

6.32mL

3.16mL
参考文献

[1]Fasolo D, Bassani VL, Teixeira HF. Development of topical nanoemulsions containing quercetin and 3-O-methylquercetin. Pharmazie. 2009 Nov;64(11):726-30.

[2]Ko WC, Shih CM, et al. Suppressive effects of 3-O-methylquercetin on ovalbumin-induced airway hyperresponsiveness. Planta Med. 2004 Dec;70(12):1123-7.