基本信息
产品编号: |
T10002 |
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产品名称: |
DL-α-Tocopherol acetate |
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CAS: |
7695-91-2 |
储存条件 |
粉末 |
2-8℃ |
四年 |
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分子式: |
溶于液体 |
-80℃ |
六个月 |
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分子量 |
472.74 |
-20℃ |
一个月 |
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化学名: |
[2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-yl] acetate |
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Solubility (25°C): |
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体外:
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DMSO |
≥ 100mg/mL (211.53mM) |
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Ethanol |
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Water |
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体内(现配现用): |
1.请依序添加每种溶剂:10% DMSO→40% PEG300→5% Tween-80→45% saline Solubility: ≥ 2.5mg/mL (5.29mM); Clear solution |
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此⽅案可获得 ≥ 2.5mg/mL (5.29mM,饱和度未知) 的澄清溶液。 以 1mL ⼯作液为例,取 100μL 25.0mg/mL 的澄清 DMSO 储备液加到 400μL PEG300 中,混合均匀;向上述体系中加⼊ 50μL Tween-80,混合均匀;然后继续加⼊ 450μL ⽣理盐⽔定容⾄ 1mL。 |
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2.请依序添加每种溶剂:10% DMSO→90% (20% SBE-β-CD in saline) Solubility: ≥ 2.5mg/mL (5.29mM); Clear solution |
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此⽅案可获得 ≥ 2.5mg/mL (5.29mM,饱和度未知) 的澄清溶液。 以 1mL ⼯作液为例,取 100μL 25.0mg/mL 的澄清 DMSO 储备液加到 900μL 20% 的 SBE-β-CD ⽣理盐⽔⽔溶液中,混合均匀。 |
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3.请依序添加每种溶剂:10% DMSO→90% corn oil Solubility: ≥ 2.5mg/mL (5.29mM); Clear solution |
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此⽅案可获得 ≥ 2.5mg/mL (5.29mM,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 1mL ⼯作液为例,取 100μL 25.0mg/mL 的澄清 DMSO 储备液加到 900μL ⽟⽶油中,混合均匀。 |
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<1mg/ml表示微溶或不溶。 |
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普西唐提供的所有化合物浓度为内部测试所得,实际溶液度可能与公布值有所偏差,属于正常的批间细微差异现象。 |
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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。 |
制备储备液
浓度
溶液体积 质量 |
1mg |
5mg |
10mg |
1mM |
2.1153mL |
10.5766mL |
21.1533mL |
5mM |
0.4231mL |
2.1153mL |
4.2307mL |
10mM |
0.2115mL |
1.0577mL |
2.1153mL |
生物活性
产品描述 |
营养强化剂 抗氧化剂 |
体外研究 |
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体内研究 |
DL-α-Tocopherol acetate is a vitamin E derivative which is often included in the formulations of enteral nutrition[1]. DL-αTocopherol acetate (α-TA) increases tissue cholesterol levels in liver, brian, testis and herart. The brain cholesterol level is much higher than those in other tissues when adjusted by protein level. DL-α-Tocopherol acetate also increases the level of lipid peroxidation in liver, brain, and testis of mice |
推荐实验方法(仅供参考)
Animal Administration |
Male mice (specific-pathogen-free, 4 weeks of age) are divided into three groups. They are fed for 4 weeks with the CE2 diet containing one of three different antioxidants, 0.002 wt% DL-α-Tocopherol acetate (α-TA) (n=6), 0.02 wt% α-T (n=6) or 0.02 wt% α-TP(CD3) (n=7), per kilogram of diet. The mice are maintained under standardized conditions of light (7:00 AM to 7:00 PM), temperature (22°C), and humidity (70%). After 4 weeks, they are sacrificed under anesthesia with diethyl ether. The extracted brain, liver, heart, kidney, testis, and lung are homogenized in ice-cold 10mM phosphate-buffered saline. Blood samples are collected in heparincontaining tubes. The samples are placed on ice immediately after collection. Plasma is obtained by centrifugation at 830 g for 5 min at 4°C and immediately subjected to analysis |
本计算器可帮助您计算出特定溶液中溶质的质量、溶液浓度和体积之间的关系,公式为:
质量 (g) = 浓度 (mol/L) x 体积 (L) x 分子量 (g/mol)
摩尔浓度计算公式
用本工具协助配置特定浓度的溶液,使用的计算公式为:
开始浓度 x 开始体积 = 最终浓度 x 最终体积
稀释公式
稀释公式一般简略地表示为:C1V1 = C2V2 ( 输入 输出 )