Daphnetin(Synonyms: 瑞香素; 7,8-Dihydroxycoumarin)

发表于由

天然产物 天然产物苯丙素类 Phenylpropanoids

Daphnetin (Synonyms: 瑞香素; 7,8-Dihydroxycoumarin) 纯度: 99.21%

Daphnetin (7,8-dihydroxycoumarin) 是从 Genus Daphne 中分离得到的一种香豆素衍生物，是一种蛋白酶 (protein kinase) 抑制剂，对 EGFR、PKA 和 PKC 的 IC50 值分别为 7.67 μM、9.33 μM 和 25.01 μM。Daphnetin (7,8-dihydroxycoumarin) 是用于抗炎、抗过敏疾病的植物次生代谢产物药物，可用于凝血功能障碍、类风湿性关节炎等疾病的相关研究，具有抗疟疾、解热等特性。

Daphnetin(Synonyms: 瑞香素; 7,8-Dihydroxycoumarin)

Daphnetin Chemical Structure

CAS No. : 486-35-1

规格 价格 是否有货 数量
10 mM * 1 mL in DMSO ￥500 In-stock
10 mg ￥400 In-stock
50 mg ￥1600 In-stock
100 mg ￥2900 In-stock
200 mg   询价  
500 mg   询价  

* Please select Quantity before adding items.

Daphnetin 相关产品

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生物活性

Daphnetin (7,8-dihydroxycoumarin), one coumarin derivative isolated from plants of the Genus Daphne, is a protein kinase inhibitor, with IC50s of 7.67 μM, 9.33 μM and 25.01 μM for EGFR, PKA and PKC in vitro, respectively[1][2]. Daphnetin (7,8-dihydroxycoumarin) is a secondary metabolite of plants used in folk medicine to counter inflammatory and allergic diseases, also has has the potential in the treatment of coagulation disorders, rheumatoid arthritis with anti-malarian and anti-pyretic properties[3].

IC50 & Target

EGFR

7.67 μM (IC50)

PKA

9.33 μM (IC50)

PKC

25.01 μM (IC50)

分子量

178.14

Formula

C9H6O4
CAS 号

486-35-1
中文名称

瑞香素
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
溶解性数据
In Vitro: 

DMSO : 50 mg/mL (280.68 mM; Need ultrasonic)

H2O : < 0.1 mg/mL (insoluble)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 5.6136 mL 28.0678 mL 56.1356 mL
5 mM 1.1227 mL 5.6136 mL 11.2271 mL
10 mM 0.5614 mL 2.8068 mL 5.6136 mL

*

请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
储备液的保存方式和期限：-80°C, 6 months; -20°C, 1 month。-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。

In Vivo:

请根据您的实验动物和给药方式选择适当的溶解方案。以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液，再依次添加助溶剂：

——为保证实验结果的可靠性，澄清的储备液可以根据储存条件，适当保存；体内实验的工作液，建议您现用现配，当天使用； 以下溶剂前显示的百
分比是指该溶剂在您配制终溶液中的体积占比；如在配制过程中出现沉淀、析出现象，可以通过加热和/或超声的方式助溶

  • 1.

    请依序添加每种溶剂： 10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (14.03 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (14.03 mM，饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；向上述体系中加入50 μL Tween-80，混合均匀；然后继续加入 450 μL生理盐水定容至 1 mL。

    将 0.9 g 氯化钠，完全溶解于 100 mL ddH₂O 中，得到澄清透明的生理盐水溶液

  • 2.

    请依序添加每种溶剂： 10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.5 mg/mL (14.03 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (14.03 mM，饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液中，混合均匀。

    将 2 g 磺丁基醚 β-环糊精加入 5 mL 生理盐水中，再用生理盐水定容至 10 mL，完全溶解，澄清透明
  • 3.

    请依序添加每种溶剂： 10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (14.03 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (14.03 mM，饱和度未知) 的澄清溶液，此方案不适用于实验周期在半个月以上的实验。

    以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。

*以上所有助溶剂都可在 MCE 网站选购。
参考文献

  • [1]. Yang EB, et al. Daphnetin, one of coumarin derivatives, is a protein kinase inhibitor. Biochem Biophys Res Commun. 1999 Jul 14;260(3):682-5.

    [2]. Lv H, et al. Daphnetin-mediated Nrf2 antioxidant signaling pathways ameliorate tert-butyl hydroperoxide (t-BHP)-induced mitochondrial dysfunction and cell death. Free Radic Biol Med. 2017 May;106:38-52.

    [3]. Jiménez-Orozco FA, et al. Differential effects of esculetin and daphnetin on in vitro cell proliferation and in vivo estrogenicity. Eur J Pharmacol. 2011 Oct 1;668(1-2):35-41.