N3‑Poly(L‑Lysine), MW 3 kDa (also called N3‑PLL, Azide‑PLL):
- A cationic polyamino acid (poly‑L‑lysine) with azide (‑N₃) end‑groups, molecular weight ~3 000 Da (≈20 lysine repeat units).
- Water‑soluble, positively charged backbone binds anionic biomolecules (DNA, RNA, cell membranes).
- Azide enables click chemistry (CuAAC/SPAAC) with alkynes for selective bioconjugation.
- Used in gene/drug delivery, surface functionalization, cell labeling, and biomaterial engineering.
- Typically supplied as a solid (≥95% purity) for research use only.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.