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M596792-500mgm-PEG37-acid is a PEG derivative containing a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The hydrophilic PEG spacer
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M596839-1gm-PEG37-hydrazide is a PEG derivative containing a hydrazide end group. Hydrazine moieties react with an aldehyde to form semi-permanent hydrazone bonds. The hydrophilic PEG chain increases the water solubility of the compound. Longer PEG chains
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M596839-250mgm-PEG37-hydrazide is a PEG derivative containing a hydrazide end group. Hydrazine moieties react with an aldehyde to form semi-permanent hydrazone bonds. The hydrophilic PEG chain increases the water solubility of the compound. Longer PEG chains
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M596839-500mgm-PEG37-hydrazide is a PEG derivative containing a hydrazide end group. Hydrazine moieties react with an aldehyde to form semi-permanent hydrazone bonds. The hydrophilic PEG chain increases the water solubility of the compound. Longer PEG chains
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M595735-100mgm-PEG37-NHS ester is a PEG derivative containing an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The hydrophilic PEG spacer increases
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M595735-1gm-PEG37-NHS ester is a PEG derivative containing an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The hydrophilic PEG spacer increases
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M595735-500mgm-PEG37-NHS ester is a PEG derivative containing an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The hydrophilic PEG spacer increases
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M596802-100mgm-PEG4-(CH2)3-acid is a PEG derivative containing a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The hydrophilic PEG
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M596802-250mgm-PEG4-(CH2)3-acid is a PEG derivative containing a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The hydrophilic PEG
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M596802-500mgm-PEG4-(CH2)3-acid is a PEG derivative containing a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The hydrophilic PEG
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M595541-1gm-PEG4-(CH2)3-alcohol is a PEG derivative containing a hydroxyl group. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The hydrophilic PEG spacer increases solubility in aqueous media.
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M595541-250mgm-PEG4-(CH2)3-alcohol is a PEG derivative containing a hydroxyl group. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The hydrophilic PEG spacer increases solubility in aqueous media.