# Thalidomide-O-amido-C3-PEG3-C1-NH2

**CAS:** 1799711-29-7  
**PubChem CID:** [121411156](https://pubchem.ncbi.nlm.nih.gov/compound/121411156)  
**Molecular formula:** C27H35F3N4O11  
**Molar mass:** 648.6 g/mol  
**IUPAC:** N-[3-[2-[2-(3-aminopropoxy)ethoxy]ethoxy]propyl]-2-[2-(2,6-dioxopiperidin-3-yl)-1,3-dioxoisoindol-4-yl]oxyacetamide;2,2,2-trifluoroacetic acid  
**SMILES:** `C1CC(=O)NC(=O)C1N2C(=O)C3=C(C2=O)C(=CC=C3)OCC(=O)NCCCOCCOCCOCCCN.C(=O)(C(F)(F)F)O`  
**InChIKey:** `QLXAREGCLBGPLF-UHFFFAOYSA-N`  
**InChI:** `InChI=1S/C25H34N4O9.C2HF3O2/c26-8-2-10-35-12-14-37-15-13-36-11-3-9-27-21(31)16-38-19-5-1-4-17-22(19)25(34)29(24(17)33)18-6-7-20(30)28-23(18)32;3-2(4,5)1(6)7/h1,4-5,18H,2-3,6-16,26H2,(H,27,31)(H,28,30,32);(H,6,7)`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| PSA | 213 Ų |
| Hydrogen bond donors | 4 |
| Hydrogen bond acceptors | 15 |
| Rotatable bonds | 17 |
| Heavy atoms | 45 |

## 3D structure

The molecule contains 80 atoms connected by 81 chemical bonds. Interactive 3D model available at: https://molgod.org/molecule/1799711-29-7/

## Synonyms

- Thalidomide-O-amido-C3-PEG3-C1-NH2
- 1799711-29-7
- Thali-4-O-Linker
- orb1691482
- SCHEMBL17839943
- C27H35F3N4O11
- MFCD32878273
- AKOS040757030
- MS-30948
- SY500278

## Data sources

- [PubChem CID 121411156](https://pubchem.ncbi.nlm.nih.gov/compound/121411156)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=1799711-29-7)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=1799711-29-7)

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*Last updated: 2026-10-17 · Generator: MOL-GOD v3.12.33*