Common Use | Biotin-PEG2-NHS ester is PEG derivative containing a Biotin group and an NHS ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS group reacts specifically and efficiently with lysine and N-terminal amino groups at pH 7-9 to form stable amide bonds. |
Structure | |
PEG Molecular Weight | 500.6 g/mol |
Functional Group | Biotin/NHS ester |
Purity | 98% |
Storage | -20°C |
Molecular Formula | C21H32N4O8S |
CAS No. | 596820-83-6 |
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