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Medchemexpress LLC Bis-PEG21-NHS ester | 2221948-98-5 | 98.0% | 1237.34 | C54H96N2O29
Supplier: Medchemexpress LLC HY1308275MG
Bis-PEG21-NHS ester is a polyethylene glycol (PEG)-based bifunctional N-hydroxysuccinimide (NHS) ester linker used for bioconjugation. It provides a hydrophilic PEG21 spacer with two NHS-activated ester termini for conjugation to primary amines and is used in the synthesis of antibody-drug conjugates and PROTAC linkers. Typical purity is 98.0% and molecular weight is 1,237.34.
- Bifunctional PEG linker with two NHS ester termini.
- Hydrophilic PEG21 spacer to improve solubility.
- Suitable for ADC and PROTAC linker synthesis.
- High purity (98.0%) for research applications.
- Available in multiple pack sizes for synthetic workflows.
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