Biotin-PEG4-Alcohol (CAS: 1217609-84-1)
Biotin-PEG4-alcohol is a bi-functional molecule with a biotin moiety and a hydroxyl (-OH) group connected by a PEG4 spacer. Its structure provides water solubility, flexibility, and low steric hindrance, making it ideal for bioconjugation, surface modification, and drug delivery applications.
Key Features:
- CAS Number: 1217609-84-1
- Molecular Formula: C18H34N2O5S
- Molecular Weight: 390.54 g/mol
- Purity: >95% (typical)
- Appearance: White to off-white powder
- Functional Groups: Biotin, PEG4 spacer, terminal -OH group
- Solubility: Water-soluble and stable in aqueous solutions
Applications:
- Bioconjugation & Labeling:
- Protein, peptide, and enzyme biotinylation for ELISA and assays
- Biosensor and microarray surface modification
- Drug Delivery & Targeting:
- Nanoparticle and liposome targeting through biotin-streptavidin interaction
- Biomedical Materials:
- Hydrogel and polymer coating synthesis
- PEGylation for reduced biofouling
- Advanced Synthesis:
- Precursor for click chemistry (azide, alkyne modification)
- Custom bioconjugate development
Storage & Stability:
- Storage Conditions: -20°C, protected from moisture and light
- Shelf Life: 12 months when properly stored
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.