Biotin-PEG4-NHS Ester,459426-22-3,生物素PEG活性酯,氨基反應試劑作用
Biotin-PEG4-NHS Ester reacts specifically and efficiently with primary amines (e.g., a side chain of lysine residues or aminosilane-coated surfaces) at pH 7-9 to form covalent bonds. The hydrophilic polyethylene glycol (PEG) spacer arm of this reagent imparts water solubility that is transferred to the labeled molecule, thus reducing aggregation of labeled proteins stored in solution. The PEG spacer arm also gives the reagent a long and flexible connection to minimize steric hindrance involved with binding to avidin molecules.
Molecular weight | 588.67 |
Chemical position | C25H40N4O10S |
CAS | 459426-22-3 |
Solubility | DMSO, DMF, DCM, THF, Chloroform |
Purity | >95% |
Appearance | White to grey amorphous solid |
Storage conditions | -20°C. Desiccate |
Shipping conditions | Ambient temperature |
結(jié) 構(gòu) 式：
Biotin-PEG4-NHS Ester,459426-22-3,生物素PEG活性酯,氨基反應試劑作用
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公司：西安凱新生物科技有限公司
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