4LSC3238 Biotin Phosphoramidite CAS# 147190-34-9
Catalog Number: 4LSC3238
CAS #: 147190-34-9
Name: Biotin Phosphoramidite; 2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-6-(5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)hexyl (2-cyanoethyl) diisopropylphosphoramidite
5′ & Internal – Biotin Labeling
Biotin amidites are used in the 5′ labeling of oligonucleotides. Biotin labeling can be captured by avidin or streptavidin. The biotin phosphoramidite is a good alternative to the use of a biotin-NHS ester procedure. This compound allows multiple additons at the 5′-terminus of an oligonucleotide. An improvement in the use of multiple labeling has been achieved through the Biotin-TEG phosphoramidite. The mixed polarity of the triethyleneglycol linker is very useful for multiple additions as well as optimal capture by avidin and streptavidin.
Molecular Formula: C47H66N5O7PS
- Molecular Weight: 876.11 g/mol
- HPLC – Identity is confirmed by comparison with a reference sample, Minimum purity
- NMR – Purity is determined by 31P NMR and isomeric purity is veified by 1H NMR
- Coupling Test – Coupling efficiency > 98%
- Solution Test – 0.1M solution clear and free of particulate contamination
- Loss on drying – volatile components are determined to be < 2%
- Water content – determined to be < 0.4%
- Certificate of Analysis are available for every batch, even for lon past delivered products.
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