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Medchemexpress LLC Tamra-PEG3-azide | 1228100-59-1 | 96.4% | 630.69 g/mol | C33H38N6O7 | 10MG
Supplier: Medchemexpress LLC HY12362910MG
TAMRA-PEG3-Azide is a red-fluorescent TAMRA dye derivative bearing a three-unit polyethylene glycol (PEG3) spacer and a terminal azide functional group. It is intended for bioorthogonal conjugation to biomolecules via copper-catalyzed or strain-promoted azide-alkyne cycloaddition, offering a fluorescent label with improved solubility and spacer length.
- Red-fluorescent dye with excitation/emission maxima 553/575 nm
- Terminal azide enables CuAAC and SPAAC click chemistry
- PEG3 spacer improves solubility and reduces steric interference
- High purity (≈96.4%) in solid form
- Soluble in methanol at about 12.5 mg/mL (19.82 mM); ultrasonic may be required
- Storage: powder -20°C; in solvent -80°C for 6 months or -20°C for 1 month
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