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Medchemexpress LLC 3,6,9,12-tetraoxapentadec-14-yn-1-ol, 1-(4-methylbenzenesulfonate) | 875770-32-4 | 99.3% | 386.46 | C18H26O7S | 250 MG

Supplier: Medchemexpress LLC HY130387250MG
Propargyl-PEG4-Tos is a PEG-based linker used as an alkyne click-chemistry reagent and cleavable linker for PROTAC and antibody-drug conjugate synthesis. It provides a hydrophilic PEG4 spacer to improve solubility and enable CuAAC functionalization.
- Click chemistry alkyne for copper-catalyzed azide-alkyne cycloaddition
- Cleavable ADC and PROTAC linker functionality
- PEG4 spacer increases hydrophilicity and solubility
- Confirmed identity by 1H NMR and LCMS
- High purity (HPLC 99.3%)
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