# Tetrasodium dicarboxymethyl aspartate

**CAS:** 34612-80-1  
**PubChem CID:** [71587123](https://pubchem.ncbi.nlm.nih.gov/compound/71587123)  
**Molecular formula:** C₈H₇NNa₄O₈  
**Molar mass:** 337.10 g/mol  
**IUPAC:** tetrasodium;(2S)-2-[bis(carboxylatomethyl)amino]butanedioate  
**SMILES:** `C([C@@H](C(=O)[O-])N(CC(=O)[O-])CC(=O)[O-])C(=O)[O-].[Na+].[Na+].[Na+].[Na+]`  
**InChIKey:** `VWNRYDSLHLCGLG-NDNWHDOQSA-J`  
**InChI:** `InChI=1S/C8H11NO8.4Na/c10-5(11)1-4(8(16)17)9(2-6(12)13)3-7(14)15;;;;/h4H,1-3H2,(H,10,11)(H,12,13)(H,14,15)(H,16,17);;;;/q;4*+1/p-4/t4-;;;;/m0..../s1`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| PSA | 164 Ų |
| Hydrogen bond donors | 0 |
| Hydrogen bond acceptors | 9 |
| Rotatable bonds | 4 |
| Heavy atoms | 21 |

## 3D structure

The molecule contains 28 atoms connected by 23 chemical bonds. Interactive 3D model available at: https://molgod.org/molecule/34612-80-1/

## Synonyms

- Tetrasodium dicarboxymethyl aspartate
- Clewat Bi-ADS/ASDA-4Na
- 5Z0O5Z0R6T
- 34612-80-1
- UNII-5Z0O5Z0R6T
- Tetrasodium N,N-bis(carboxymethyl)-L-aspartate
- N,N-Bis(carboxymethyl)aspartic acid tetrasodium salt
- L-Aspartic acid, N,N-bis(carboxymethyl)-, tetrasodium salt
- L-Aspartic acid, N,N-bis(carboxymethyl)-, sodium salt (1:4)
- RefChem:188880

## Data sources

- [PubChem CID 71587123](https://pubchem.ncbi.nlm.nih.gov/compound/71587123)
- [Wikidata](https://www.wikidata.org/wiki/Q27263074)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=34612-80-1)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=34612-80-1)

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