1. Anti-infection
  2. HBV
  3. Osalmid

Osalmid  (Synonyms: 羟苯水杨胺; Oxaphenamide; 4'-Hydroxysalicylanilide)

目录号: HY-B2116 纯度: 99.85%
COA 产品使用指南

Osalmid是核糖核苷酸还原酶小亚基M2(RRM2)的靶向化合物;抑制核糖核苷酸还原酶活性的IC50值为8.23 μM。

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Osalmid Chemical Structure

Osalmid Chemical Structure

CAS No. : 526-18-1

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规格 价格 是否有货 数量
10 mM * 1 mL in DMSO ¥550
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100 mg ¥500
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500 mg ¥800
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1 g ¥1000
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Top Publications Citing Use of Products
  • 生物活性

  • 实验参考方法

  • 纯度 & 产品资料

  • 参考文献

生物活性

Osalmid is a ribonucleotide reductase small subunit M2 (RRM2) targeting compound; suppresses ribonucleotide reductase activity with an IC50 of 8.23 μM.

IC50 & Target

IC50: 8.23 μM (ribonucleotide reductase)[1]

体外研究
(In Vitro)

Osalmid is identified as a potential ribonucleotide reductase small subunit M2 (RRM2) compound. Osalmid is 10-fold more active in inhibiting ribonucleotide reductase (RR) activity than hydroxyurea, and significantly inhibits HBV DNA and cccDNA synthesis in HepG2.2.15 cells in a time- and dose-dependent manner. After treatment for 8 days with Osalmid, the EC50 for HBV DNA inhibition are 11.1 μM for culture supernatant and 16.5 μM for cells. Osalmid suppresses RR activity in a concentration-dependent manner, with an IC50 of 8.23 μM. Osalmid is shown to possess potent activity against a 3TC-resistant HBV strain, suggesting utility in treating drug-resistant HBV infections[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

体内研究
(In Vivo)

Osalmid reduces RR activity and HBV replication in HBV-transgenic mice and shows a synergistic efficacy with 3TC without significant toxicity. Oral dosing of osalmid at 400 mg/kg/d results in a time-dependent inhibition of HBV DNA replication. After treatment for 4 weeks, osalmid suppresses HBV DNA replication by about 40-45% as compared to the control in mouse sera and liver tissues[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Clinical Trial
分子量

229.23

Formula

C13H11NO3

CAS 号
性状

固体

颜色

White to off-white

中文名称

柳胺酚;利胆酚;羟苯水杨胺

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 2 years
-20°C 1 year
溶解性数据
In Vitro: 

DMSO 中的溶解度 : ≥ 100 mg/mL (436.24 mM; 吸湿的 DMSO 对产品的溶解度有显著影响,请使用新开封的 DMSO)

* "≥" means soluble, but saturation unknown.

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 4.3624 mL 21.8122 mL 43.6243 mL
5 mM 0.8725 mL 4.3624 mL 8.7249 mL
查看完整储备液配制表

* 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, 2 years; -20°C, 1 year。-80°C储存时,请在2年内使用, -20°C储存时,请在1年内使用。

  • 摩尔计算器

  • 稀释计算器

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

质量
=
浓度
×
体积
×
分子量 *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start)

C1

×
体积 (start)

V1

=
浓度 (final)

C2

×
体积 (final)

V2

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

  • 方案 一

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

    Solubility: ≥ 2.5 mg/mL (10.91 mM); 澄清溶液

    此方案可获得 ≥ 2.5 mg/mL(饱和度未知)的澄清溶液。

    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;再向上述体系中加入 50 μL Tween-80,混合均匀;然后再继续加入 450 μL 生理盐水 定容至 1 mL

    生理盐水的配制:将 0.9 g 氯化钠,溶解于 ddH₂O 并定容至 100 mL,可以得到澄清透明的生理盐水溶液。
  • 方案 二

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

    Solubility: ≥ 2.5 mg/mL (10.91 mM); 澄清溶液

    此方案可获得 ≥ 2.5 mg/mL(饱和度未知)的澄清溶液。

    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。

    20% SBE-β-CD in Saline 的配制(4°C,储存一周):2 g SBE-β-CD(磺丁基醚 β-环糊精)粉末定容于 10 mL 的生理盐水中,完全溶解至澄清透明。
动物溶解方案计算器
请输入动物实验的基本信息:

给药剂量

mg/kg

动物的平均体重

g

每只动物的给药体积

μL

动物数量

由于实验过程有损耗,建议您多配一只动物的量
请输入您的动物体内配方组成:
%
DMSO +
+
%
Tween-80 +
%
Saline
如果您的动物是免疫缺陷鼠或者体弱鼠,建议 DMSO 中的在最后工作液体系中的占比尽量不超过 2%。
方案所需 助溶剂 包括:DMSO ,均可在 MCE 网站选购。 Tween 80,均可在 MCE 网站选购。
计算结果
工作液所需浓度 : mg/mL
储备液配制方法 : mg 药物溶于 μL  DMSO(母液浓度为 mg/mL)。
您所需的储备液浓度超过该产品的实测溶解度,以下方案仅供参考,如有需要,请与 MCE 中国技术支持联系。
动物实验体内工作液的配制方法 : 取 μL DMSO 储备液,加入 μL  μL ,混合均匀至澄清,再加 μL Tween 80,混合均匀至澄清,再加 μL 生理盐水
连续给药周期超过半月以上,请谨慎选择该方案。
请确保第一步储备液溶解至澄清状态,从左到右依次添加助溶剂。您可采用超声加热 (超声清洗仪,建议频次 20-40 kHz),涡旋吹打等方式辅助溶解。
纯度 & 产品资料
参考文献
Cell Assay
[1]

HepG2.2.15 cells are cultured in the presence of 200 μg/mL G418. Cell viability is determined using a Cell Counting Kit-8 in 96-well plates treated with Osalmid for designated times. For long term assays, the culture supernatants are replaced with fresh media containing Osalmid every two days. The control wells contained equivalent amounts of DMSO. The CC50 is calculated as the concentration of a compound that reduced the cell viability to 50% compared to the control[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration
[1]

Mice: The HBV-transgenic mouse lineage is initially produced on a BALB/c background. Osalmid or 3TC is suspended in 0.05% CMC-Na and administered once a day by gavage at 400 and 100 mg/kg, respectively, for 28 days. For the combination group, mice are intragastrically administered with a mixture of osalmid and 3TC. 0.05% CMC-Na solution is used as control. The mouse sera are collected and assayed for HBV DNA levels and AST/ALT activity. Mice are then sacrificed after the 28-day drug treatment and the livers are excised for analysis[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

参考文献

Osalmid 相关分类

完整储备液配制表

* 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, 2 years; -20°C, 1 year。-80°C储存时,请在2年内使用, -20°C储存时,请在1年内使用。

可选溶剂 浓度 溶剂体积 质量 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 4.3624 mL 21.8122 mL 43.6243 mL 109.0608 mL
5 mM 0.8725 mL 4.3624 mL 8.7249 mL 21.8122 mL
10 mM 0.4362 mL 2.1812 mL 4.3624 mL 10.9061 mL
15 mM 0.2908 mL 1.4541 mL 2.9083 mL 7.2707 mL
20 mM 0.2181 mL 1.0906 mL 2.1812 mL 5.4530 mL
25 mM 0.1745 mL 0.8725 mL 1.7450 mL 4.3624 mL
30 mM 0.1454 mL 0.7271 mL 1.4541 mL 3.6354 mL
40 mM 0.1091 mL 0.5453 mL 1.0906 mL 2.7265 mL
50 mM 0.0872 mL 0.4362 mL 0.8725 mL 2.1812 mL
60 mM 0.0727 mL 0.3635 mL 0.7271 mL 1.8177 mL
80 mM 0.0545 mL 0.2727 mL 0.5453 mL 1.3633 mL
100 mM 0.0436 mL 0.2181 mL 0.4362 mL 1.0906 mL
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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