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Medchemexpress LLC 5,8,11,14-tetraoxa-2-azahexadecanedioic acid, 1-(9H-fluoren-9-yl)methyl ester | 437655-95-3 | MFCD26142981 | 99.5% | 473.52 g·mol⁻¹ | C25H31NO8 | 1 G
SDP

Supplier:  Medchemexpress LLC HY1301751G

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Fmoc-NH-PEG4-CH2COOH is an Fmoc-protected PEG4 linker bearing a terminal carboxylic acid. It is used as a building block in peptide synthesis, and in the design of antibody-drug conjugate (ADC) and PROTAC linkers, providing a short hydrophilic spacer and an Fmoc-protected amine for orthogonal coupling chemistry.

  • Provides an Fmoc-protected amine for orthogonal deprotection and coupling.
  • Contains a PEG4 spacer to increase solubility and flexibility.
  • Terminal carboxylic acid enables standard amide bond formation.
  • Solid powder form suitable for storage and handling in synthesis workflows.
  • Commonly used in medicinal chemistry for linker and conjugation strategies.

Catalog No. 50-002-03826


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