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Medchemexpress LLC HO-PEG-CH2COOH | 95.0% | 35,000 Da | HO-(C2H4O)n-CH2COOH | 500 MG
Supplier: Medchemexpress LLC HYW591338B500MG
HO-PEG-CH2COOH (MW 35,000) is a carboxy-terminated polyethylene glycol (PEG) polymer used as a hydrophilic spacer for PROTAC synthesis and other bioconjugation applications. The polymer features a hydroxyl terminus and a carboxymethyl terminus, providing a reactive carboxylic acid for coupling chemistries. Supplied as a white to off-white solid with ~95.0% purity; recommended storage is -20°C under nitrogen.
- High molecular weight PEG spacer (35,000 Da) for increased solubility and linker length.
- Carboxy-terminated for straightforward amide or ester coupling.
- Hydroxyl-terminated opposite end for orthogonal functionalization.
- Solid powder form is easy to handle and weigh for synthesis workflows.
- Stable under recommended storage; in solvent store at -80°C for extended stability.
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