m-PEG4-NHS ester

Catalog No. Size PriceQuantity
M13621-2 Contact sales@xcessbio.com for quotation $100


m-PEG4-NHS ester is a PEG-based PROTAC linker can be used in the synthesis of PROTACs.

Product information

CAS Number: 622405-78-1

Molecular Weight: 333.33

Formula: C14H23NO8

Chemical Name: 2,5-dioxopyrrolidin-1-yl 2,5,8,11-tetraoxatetradecan-14-oate



InChi: InChI=1S/C14H23NO8/c1-19-6-7-21-10-11-22-9-8-20-5-4-14(18)23-15-12(16)2-3-13(15)17/h2-11H2,1H3

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

PROTACs contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein. PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.


  1. Lepage ML, et al. Design, synthesis and photochemical properties of the first examples of iminosugar clustersbased on fluorescent cores. Beilstein J Org Chem. 2015 May 6;11:659-67.

Products are for research use only. Not for human use.

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