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- 伊塔生物
- 中国/进口
- YT0752
- 2025年07月14日
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- 保存条件：
ITTABIO
- 保质期：
3年
- 英文名：
DextranSulfate
- 库存：
55
- 供应商：
北京伊塔生物科技有限公司
- CAS号：
9011-18-1
- 规格：
10g
硫酸葡聚糖 9011-18-1 硫酸葡聚糖 9011-18-1 名称：硫酸葡聚糖 9011-18-1 硫酸葡聚糖 9011-18-1 货号：YT0752 英文名称：DextranSulfate 品牌：伊塔生物 CAS:9011-18-1 规格：10g，
DEXTRAN SULFATE, FROM MW 500,000 DEXTRAN
CAS Number: 9011-18-1
Storage Temperature: Room Temperature
Product Description:
Appearance:
White to off-white crystalline powder
Molecular formula:
Not Applicable
Molecular weight:
From MW 500,000 Dextran
Dextran sulfates are supplied as the sodium salt forms, making them soluble and stable in water. Dextran sulfate contains approximately 17% sulfur which is equivalent to approximately 2.3 sulfate groups per glucosyl residue. Dextran is a polymer of anhydroglucose. Various MW are produced by limited hydrolysis and fractionation. Esterification with is carried out under mild conditions. Fractionation of dextran can be accomplished by size exclusion chromatography or ethanol fractionation in which the largest MW dextrans precipitate first.
Dextran sulfate is routinely used to selectively precipitate lipoproteins. Dextran sulfate (MW 500,000) has been used in the determination of HDL cholesterol. The inclusion of dextran sulfate at a final concentration of 10% has been shown to accelerate the hybridization of labeled probes with membrane-immobilized DNA.
Solubility/Solution Stability:
The solubility of dextran sulfates is tested at 100 mg/ml in water. Clear solutions are obtained. Buffered aqueous dextran sulfate solutions can be sterilized by autoclaving at 110-115°C for 30 to 45 minutes. Dextran can be hydrolyzed by strong acids at high temperatures. Dextran sulfate has a higher affinity for calcium ions than for sodium ions. The calcium salt of dextran sulfate is insoluble. The free acid (hydrogen) form of dextran sulfate is extremely acidic and autohydrolyzes rapidly in solution and as a powder.
Storage/Stability:
If stored properly at room temperature dextran sulfate powders should be stable for a minimum of two to three years.
Precautions and Disclaimer:
For Laboratory Use Only. Not for drug, household or other uses.
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