Biotin-PEG2-C4-Alkyne
- CAS NO.：1011268-28-2
- Empirical Formula: C22H36N4O5S
- Molecular Weight: 468.61
- MDL number: MFCD28505539
- Update Date: 2026-04-21 11:20:27
What is Biotin-PEG2-C4-Alkyne?
Description
Alkynyl-biotin is a form of biotin with a terminal alkyne group separated by two polyethylene glycol moieties. It is used to add biotin to other molecules bearing an azide group using a copper Cu(I)-catalyzed azide-alkyne cycloaddition reaction. Alkynyl-biotin has been used to add a biotin tag to a range of biochemicals, amino acids, proteins, and nucleotides that have been modified by the addition of an azide group. Alkynyl-biotin can also be used to capture sulfenic acid-modified proteins that have been tagged with the cell-permeable probe DAz-2 .
Properties of Biotin-PEG2-C4-Alkyne
| Boiling point: | 799.8±60.0 °C(Predicted) |
| Density | 1.158±0.06 g/cm3(Predicted) |
| solubility | Soluble in DMSO, DMF |
| pka | 13.90±0.40(Predicted) |
| form | A crystalline solid |
Safety information for Biotin-PEG2-C4-Alkyne
Computed Descriptors for Biotin-PEG2-C4-Alkyne
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