PEO-Biotin Dimer, (+)-Biotin-PEG-6-(+)-Biotin; (3aS,3'aS,4S,4'S,6aR,6'aR)-N,N'-(3,6,9,12,15-pentaoxaheptadecane-1,17-diyl)bis[hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanamide; 1,17-Bisbiotinylamino-3,6,9,12,15-pentaoxaheptadecane
A biotinylated cross-linking reagent. Water soluble biotin dimer with a long spacer are for cross-linking with avidin molecules. The Polyethylene Oxide (PEO) spacer is hydrophilic and keeps complexes water soluble.
Melting Point
135.5-136.5°C
Solubility
Water (sparingly)
Method for Determining Identity
Proton NMR (D2O) Spectroscopic and Mass Spectrometric Analysis
TLC Conditions
As Reported
Elemental Analysis
As Reported
Storage and Stability
May be stored at RT for short-term only. Long-term storage is recommended at -20°C. Stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Toxicity and Hazards
All products should be handled by qualified personnel only, trained in laboratory procedures.