英文：Cholesterol-PEG-Acid，Cholesterol-PEG-COOH

所属分类：DSPE PEG Carboxylic acid PEG

Molecular weight: 5 k, Cholesterol - PEG - COOH other molecular weight can be customized (Cholesterol - PEG1000 - COOH, Cholesterol - PEG2000 - COOH, etc.). Quality control in + 95%.

Feeling - 20 ℃ long-term preservation, avoid light, dry gas protection. Its shape is solid or liquid depends on the molecular weight. Less soluble in conventional solution ａnd most organic solvents, soluble in alcohol, toluene, insoluble in ethyl awake. Now with active, filling the gas, after taking timely in the fridge. In order to achieve the ideal use effect, the material should always keep in dry, cool conditions. To avoid frequent thawing ａnd freezing.

Cholesterol is hydrophobic molecules, solubility in water is very low. Can be activated with functions of carboxylic acid cholesterol PEG, make its reaction with amino or hydroxyl. Cholesterol has been successfully used in the membrane imaging PEG derivatives, liposome preparation ａnd drug delivery. CLS - PEG - COOH is sensitive to light ａnd temperature, in order to make the best use effect, the material should always keep low temperature under dry conditions, often avoid thawing ａnd freezing. CLS - PEG - COOH should be stored under 4 ℃ low temperature drying conditions, can be in under the gas processing materials to get the best stability, after 12 months to test material.

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