Ponceau S (Acid Red 112) 是常见的用于 Western blot 的染色剂。Ponceau S 以酸性水溶液形式使用,与抗体-抗原结合兼容,并将膜上的蛋白质染成红色。
Ponceau S Chemical Structure
CAS No. : 6226-79-5
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数量
Free Sample (0.1-0.5 mg)
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500 mg
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In-stock
1 g
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询价
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5 g
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Ponceau S 相关产品
bull;相关化合物库:
Bioactive Compound Library Plus
生物活性
Ponceau S (Acid Red 112) is the most commonly used stain for Western blotting. Ponceau S is applied as an acidic aqueous solution. Ponceau S is compatible with antibody-antigen binding, and stains the proteins on the membrane red[1][2].
分子量
760.57
Formula
C22H12N4Na4O13S4
CAS 号
6226-79-5
中文名称
丽春红 S
运输条件
Room temperature in continental US; may vary elsewhere.
储存方式
Powder
-20deg;C
3 years
4deg;C
2 years
In solvent
-80deg;C
6 months
-20deg;C
1 month
溶解性数据
In Vitro:;
H2O : 35.71 mg/mL (46.95 mM; Need ultrasonic)
DMSO : < 1 mg/mL (ultrasonic) (insoluble or slightly soluble)
Ponceau 4R is a synthetic colourant that may be used as a food colouring. onceau 4R is a strawberry red azo dye which can be used in a variety of food products, and is usually synthesized fromaromatic hydrocarbons; it is stable to light, heat, and acid but fades in the presence of ascorbic acid.
分子量
604.47
Formula
C20H11N2Na3O10S3
CAS 号
2611-82-7
中文名称
丽春红4R;胭脂红1
运输条件
Room temperature in continental US; may vary elsewhere.
储存方式
4deg;C, sealed storage, away from moisture and light
*In solvent : -80deg;C, 6 months; -20deg;C, 1 month (sealed storage, away from moisture and light)
溶解性数据
In Vitro:;
DMSO : 100 mg/mL (165.43 mM; Need ultrasonic)
H2O : 25 mg/mL (41.36 mM; Need ultrasonic)
配制储备液
浓度溶剂体积质量
1 mg
5 mg
10 mg
1 mM
1.6543 mL
8.2717 mL
16.5434 mL
5 mM
0.3309 mL
1.6543 mL
3.3087 mL
10 mM
0.1654 mL
0.8272 mL
1.6543 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 (sealed storage, away from moisture and light)。-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: