Desthiobiotin-PEG3-NHS ester - CAS 2411681-92-8

Desthiobiotin-PEG3-NHS ester is a monocyclic, sulfur-free biotin analog characterized by a binding specificity to streptavidin that is nearly identical to that of biotin, although with a lower affinity (Kd = 10^11 compared to 10^15 M) . Consequently, desthiobiotinylated proteins can be gently and specifically eluted from streptavidin affinity resins under conditions that involve competitive displacement with free biotin.

2411681-92-8

C23H38N4O9

514.569

O(C(CCOCCOCCOCCNC(CCCCC[C@H]1NC(=O)N[C@H]1C)=O)=O)N2C(=O)CCC2=O

-20°C

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