# Sodium 3-(morpholin-4-yl)propane-1-sulfonate--3-(morpholin-4-yl)propane-1-sulfonic acid (1/1/1)

**CAS:** 117961-20-3  
**PubChem CID:** [23702141](https://pubchem.ncbi.nlm.nih.gov/compound/23702141)  
**Molecular formula:** C₇H₁₄NNaO₄S·C₇H₁₅NO₄S  
**Molar mass:** 440.5 g/mol  
**IUPAC:** sodium;3-morpholin-4-ylpropane-1-sulfonate;3-morpholin-4-ylpropane-1-sulfonic acid  
**SMILES:** `C1COCCN1CCCS(=O)(=O)O.C1COCCN1CCCS(=O)(=O)[O-].[Na+]`  
**InChIKey:** `OVCWZKQPQOVIDT-UHFFFAOYSA-M`  
**InChI:** `InChI=1S/2C7H15NO4S.Na/c2*9-13(10,11)7-1-2-8-3-5-12-6-4-8;/h2*1-7H2,(H,9,10,11);/q;;+1/p-1`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| PSA | 153 Ų |
| Hydrogen bond donors | 1 |
| Hydrogen bond acceptors | 10 |
| Rotatable bonds | 8 |
| Heavy atoms | 27 |

## 3D structure

The molecule contains 56 atoms connected by 56 chemical bonds. Interactive 3D model available at: https://molgod.org/molecule/117961-20-3/

## Synonyms

- Sodium 3-(morpholin-4-yl)propane-1-sulfonate--3-(morpholin-4-yl)propane-1-sulfonic acid (1/1/1)
- RefChem:1098678
- DTXCID90586484
- MOPS hemisodium salt
- 117961-20-3
- MFCD00079461
- 3-(N-Morpholino)propanesulfonic acid hemisodium salt
- sodium;3-morpholin-4-ylpropane-1-sulfonate;3-morpholin-4-ylpropane-1-sulfonic acid
- 4-Morpholinepropanesulfonicacid, sodium salt (2:1)
- sodium; 3-morpholinopropane-1-sulfonate; 3-morpholinopropane-1-sulfonic acid

## Data sources

- [PubChem CID 23702141](https://pubchem.ncbi.nlm.nih.gov/compound/23702141)
- [Wikidata](https://www.wikidata.org/wiki/Q72493002)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=117961-20-3)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=117961-20-3)

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