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Chemical substance record

L-glutamine

56-85-9C5H10N2O3146.146 g/mol

An optically active form of glutamine having L-configuration. — ChEBI

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Identity & molecular properties

Source-linked values
CAS number56-85-9ChEBI ↗
Molecular formulaC5H10N2O3ChEBI ↗
Molar mass146.146 g/molChEBI ↗
Monoisotopic mass146.06914 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:18050ChEBI ↗

Cross-source molecular data

PubChem
Molar mass146.14 g/molPubChem ↗
Exact mass146.06914219 DaPubChem ↗
Computed XLogP-3.1PubChem ↗
Topological polar surface area (Ų)106PubChem ↗
H-bond donors3PubChem ↗
H-bond acceptors4PubChem ↗
Rotatable bonds4PubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

Copy any identifier
L-glutamine
L-glutamine
ZDXPYRJPNDTMRX-VKHMYHEASA-N
NC(=O)CC[C@H](N)C(=O)O
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

Classification & relationships

ChEBI ontology

Roles recorded in ChEBI

micronutrientnutraceuticalEC 1.14.13.39 (nitric oxide synthase) inhibitormouse metaboliteSaccharomyces cerevisiae metaboliteEscherichia coli metabolitehuman metabolite

Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.

Mass ↔ amount of substance

Calculated from sourced mass
Equivalent amount
0.00684247 mol

Uses 146.146 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
C
Carbon · 5 atoms
41.09%
O
Oxygen · 3 atoms
32.84%
N
Nitrogen · 2 atoms
19.17%
H
Hydrogen · 10 atoms
6.90%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations

Sources & record history

Checked 27 Sep 2026
EMBL-EBI ChEBI · CHEBI:18050

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

NCBI PubChem · CID 5961 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.