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4-Arm PEG-Tosylate, MW 2k-20k

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Category 4-Arm PEG-Tosylate
Catalog NO. BPG-1091
Product Name 4-Arm PEG-Tosylate, MW 2k-20k
Molecular Weight Customizable
4-Arm PEG-Tosylate, MW 2k-20k
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Fast track to get specific molecular weight products:

CatalogMolecular WeightAvailability
BPG-1091-1 4-Arm PEG-Tosylate, MW 2k In stock Inquiry
BPG-1091-2 4-Arm PEG-Tosylate, MW 5k In stock Inquiry
BPG-1091-3 4-Arm PEG-Tosylate, MW 10k In stock Inquiry
BPG-1091-4 4-Arm PEG-Tosylate, MW 20k In stock Inquiry
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Product Information

Description The 4-arm PEG derivative belongs to a branched PEG. It has larger molecular weight due to increased number of active terminal groups, therefore it can carry more drug molecules. Multi-arm PEG derivatives are commonly used in drug delivery systems. The molecular weight of the modified drug is increased that is not easily eliminated by metabolism in the body. In addition, the dispersity and solubility of the modified drug in the body will be improved. Multi-arm PEG derivatives can also modify the surface of biological materials or form new biomedical materials.
Solubility Soluble in water, DMSO and DMF. Freshly prepared before use.
Storage -20°C for long-term preservation, keep in dry and avoid sunlight. Avoid repeated freezing and thawing.
References 1. Nho K, Hyun C, Lee J, et al. Preparation method of PEG-maleimide derivatives: U. S. Patent 6,828,401. 2004-12-7.
2. Zhao H, Rubio B, Xia J. Methods of preparing polymers having terminal amine groups: U. S. Patent Application 11/291,546. 2007-3-1.

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