Thalidomide-O-amido-C4-NH2 hydrochloride

Catalog No. Size PriceQuantity
M13419-2 Contact for quotation $100
M13419-10 Contact for quotation $100


Thalidomide-O-amido-C4-NH2 hydrochloride, a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and a linker, can be used in the synthesis of PROTACs.

Product information

CAS Number: 2245697-86-1

Molecular Weight: 438.86

Formula: C19H23ClN4O6

Chemical Name: N-(4-aminobutyl)-2-{[2-(2,6-dioxopiperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl]oxy}acetamide hydrochloride

Smiles: Cl.NCCCCNC(=O)COC1C=CC=C2C=1C(=O)N(C1CCC(=O)NC1=O)C2=O


InChi: InChI=1S/C19H22N4O6.ClH/c20-8-1-2-9-21-15(25)10-29-13-5-3-4-11-16(13)19(28)23(18(11)27)12-6-7-14(24)22-17(12)26;/h3-5,12H,1-2,6-10,20H2,(H,21,25)(H,22,24,26);1H

Technical Data

Appearance: Solid Power

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

Solubility: DMSO : 250 mg/mL (569.66 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: ≥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:

Thalidomide-O-amido-C4-NH2 is an amine intermediate (Compound 41), which can be used as is a heterobifunctional PROTAC BET degrader. The bromodomain and extra-terminal (BET) family proteins, consisting of BRD2, BRD3, BRD4, and testis-specific BRDT members, are epigenetic “readers” and play a key role in the regulation of gene transcription. BET proteins are considered to be attractive therapeutic targets for cancer and other human diseases. Recently, heterobifunctional small-molecule BET degraders have been designed based upon the proteolysis targeting chimera (PROTAC) concept to induce BET protein degradation. Thalidomide-O-amido-C4-NH2 is a degron-linker (refer to Compound DL6-TL). Degron-linker-targeting ligand, wherein the linker is covalently bound lo at least one degron and at least one targeting ligand, the degron is a compound capable of binding to an ubiquitin ligase such as an E3 ubiquitin ligase (e g, cereblon), and the targeting ligand is capable of binding to the targeted protein (s).


  1. Zhou B, et al. Discovery of a Small-Molecule Degrader of Bromodomain and Extra-Terminal (BET) Proteins withPicomolar Cellular Potencies and Capable of Achieving Tumor Regression.J Med Chem. 2018 Jan 25;61(2):462-481.

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

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