# L-Glutamine

**CAS:** 56-85-9  
**PubChem CID:** [5961](https://pubchem.ncbi.nlm.nih.gov/compound/5961)  
**Molecular formula:** C5H10N2O3  
**Molar mass:** 146.14 g/mol  
**IUPAC:** (2S)-2,5-diamino-5-oxopentanoic acid  
**SMILES:** `C(CC(=O)N)[C@@H](C(=O)O)N`  
**InChIKey:** `ZDXPYRJPNDTMRX-VKHMYHEASA-N`  
**InChI:** `InChI=1S/C5H10N2O3/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H2,7,8)(H,9,10)/t3-/m0/s1`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| logP (XLogP3) | -3.1 |
| PSA | 106 Ų |
| Hydrogen bond donors | 3 |
| Hydrogen bond acceptors | 4 |
| Rotatable bonds | 4 |
| Heavy atoms | 10 |

## 3D structure

The molecule contains 20 atoms connected by 19 chemical bonds. Interactive 3D model available at: https://molgod.org/molecule/56-85-9/

## Synonyms

- L-glutamine
- glutamine
- 56-85-9
- Levoglutamide
- L-(+)-Glutamine
- Cebrogen
- Stimulina
- glumin
- Glutamic acid amide
- Levoglutamid

## Data sources

- [PubChem CID 5961](https://pubchem.ncbi.nlm.nih.gov/compound/5961)
- [Wikidata](https://www.wikidata.org/wiki/Q181619)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=56-85-9)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=56-85-9)

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*Last updated: 2026-09-25 · Generator: MOL-GOD v3.12.33*