Catalog No. Size PriceQuantity
M11537-2 Contact for quotation $100
M11537-10 Contact for quotation $100


Thalidomide-NH-C2-PEG3-OH is an E3 ligase ligand-linker conjugate that incorporates Thalidomide based cereblon ligand and a linker used for PROTAC BCL-XL degrader XZ739.

Product information

CAS Number: 2140807-23-2

Molecular Weight: 449.45

Formula: C21H27N3O8

Chemical Name: 2-(2, 6-dioxopiperidin-3-yl)-4-(12-hydroxy-4, 7, 10-trioxa-1-azadodecan-1-yl)-2, 3-dihydro-1H-isoindole-1, 3-dione



InChi: InChI=1S/C21H27N3O8/c25-7-9-31-11-13-32-12-10-30-8-6-22-15-3-1-2-14-18(15)21(29)24(20(14)28)16-4-5-17(26)23-19(16)27/h1-3,16,22,25H,4-13H2,(H,23,26,27)

Technical Data

Appearance: Solid Power

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

Solubility: Soluble in DMSO

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:

XZ739, a CRBN-dependent PROTAC BCL-XL degrader with a DC50 value of 2.5 nM in MOLT-4 cells after 16 h treatment. XZ739 also induces cell death through caspase-mediated apoptosis.


  1. Xuan Zhang,et al. Discovery of PROTAC BCL-X L Degraders as Potent Anticancer Agents With Low On-Target Platelet Toxicity. Eur J Med Chem. 2020 Apr 15;192:112186.

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

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