CAS number：145916-41-2 molecular formula：C12H14O4S
Propargyl-PEG2-Tos is a PEG derivative containing a tosyl group and a propargyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage.
| Chinese alias | 2-(丙-2-炔-1-基氧基)乙基 4-甲基苯磺酸酯 | ||
| English alias | 2-(Prop-2-yn-1-yloxy)ethyl 4-methylbenzenesulfonate | ||
| CAS number | 145916-41-2 | molecular formula | C12H14O4S |
| molecular weight | 254.30 g/mol | Exact mass | ≥98% |
| PSA | 61.000 Ų | logp | 1.400 |
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