Catalog No. Size PriceQuantity
M11629-2 2mg solid $80
M11629-10 10mg solid $240


Tos-PEG3 is a PEG-based PROTAC linker can be used in the synthesis of PROTACs. Tos-PEG3 (structure 1) can be used for the synthesis of 3'-aminooxy oligonucleotides solid supports.

Product information

CAS Number: 77544-68-4

Molecular Weight: 304.36

Formula: C13H20O6S

Chemical Name: 2-(2-{2-[(4-methylbenzenesulfonyl)oxy]ethoxy}ethoxy)ethan-1-ol



InChi: InChI=1S/C13H20O6S/c1-12-2-4-13(5-3-12)20(15,16)19-11-10-18-9-8-17-7-6-14/h2-5,14H,6-11H2,1H3

Technical Data

Appearance: Solid Power

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

Solubility: Ethanol : 100 mg/mL (328.56 mM; Need ultrasonic) DMSO : 100 mg/mL (328.56 mM; Need ultrasonic and warming) H2O : 10 mg/mL (32.86 mM; Need ultrasonic)

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: ≥360 days 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


  1. Noël M, et al. Solid Supports for the Synthesis of 3'-Aminooxy Deoxy- or Ribo-oligonucleotides and Their 3'-Conjugation by Oxime Ligation.J Org Chem. 2019 Nov 15;84(22):14854-14860.

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

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