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A596990-100mgAcid-PEG2-t-butyl ester is a PEG derivative containing a t-butyl protected carboxyl group with 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
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A596990-1gAcid-PEG2-t-butyl ester is a PEG derivative containing a t-butyl protected carboxyl group with 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
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A596990-250mgAcid-PEG2-t-butyl ester is a PEG derivative containing a t-butyl protected carboxyl group with 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
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A596990-500mgAcid-PEG2-t-butyl ester is a PEG derivative containing a t-butyl protected carboxyl group with 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
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A597103-100mgAcid-PEG25-NHS ester is a PEG derivative containing a carboxylic acid and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups in the presence of
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A597103-1gAcid-PEG25-NHS ester is a PEG derivative containing a carboxylic acid and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups in the presence of
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A597103-500mgAcid-PEG25-NHS ester is a PEG derivative containing a carboxylic acid and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups in the presence of
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A596987-1gAcid-PEG3-mono-methyl ester is a PEG species with terminal carboxylic acid and mono-methyl ester moieties. The carboxylic acid can be reacted with primary amines in the presence of activators such as EDC and DCC to form stable amide bonds. The
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A596987-250mgAcid-PEG3-mono-methyl ester is a PEG species with terminal carboxylic acid and mono-methyl ester moieties. The carboxylic acid can be reacted with primary amines in the presence of activators such as EDC and DCC to form stable amide bonds. The
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A596987-500mgAcid-PEG3-mono-methyl ester is a PEG species with terminal carboxylic acid and mono-methyl ester moieties. The carboxylic acid can be reacted with primary amines in the presence of activators such as EDC and DCC to form stable amide bonds. The
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A597108-100mgAcid-PEG3-NHS ester is a PEG derivative containing a carboxylic acid and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups in the presence of
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A597009-100mgAcid-PEG3-PFP ester is a PEG derivative containing a carboxylic acid and PFP ester end group. The carboxylic acid can be reacted with amines in the presence of activators such as EDC and DCC to form a stable amide bond. The PFP ester can also react