Stearyl Phosphoramidite is a specialized reagent used in oligonucleotide synthesis to introduce a stearyl group (octadecyl chain) at the 5'-end of the oligonucleotide sequence. Stearyl groups are long-chain fatty acids that enhance the hydrophobicity and lipophilicity of the oligonucleotide, improving its ability to interact with lipid membranes. This modification is beneficial for developing oligonucleotide-based therapeutics and delivery systems, as it can enhance cellular uptake and stability. Stearyl-modified oligonucleotides are often used in gene silencing, antisense therapies, and other applications requiring efficient delivery and cellular internalization.
Chemical Structure:
