Glycine
The simplest (and the only achiral) proteinogenic amino acid, with a hydrogen atom as its side chain. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 56-40-6 | ChEBI ↗ |
| Molecular formula | C2H5NO2 | ChEBI ↗ |
| Molar mass | 75.067 g/mol | ChEBI ↗ |
| Monoisotopic mass | 75.03203 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:15428 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 75.07 g/mol | PubChem ↗ |
| Exact mass | 75.032028402 Da | PubChem ↗ |
| Computed XLogP | -3.2 | PubChem ↗ |
| Topological polar surface area (Ų) | 63.3 | PubChem ↗ |
| H-bond donors | 2 | PubChem ↗ |
| H-bond acceptors | 3 | PubChem ↗ |
| Rotatable bonds | 1 | PubChem ↗ |
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 identifierglycineaminoacetic acidDHMQDGOQFOQNFH-UHFFFAOYSA-NNCC(=O)OInChI=1S/C2H5NO2/c3-1-2(4)5/h1,3H2,(H,4,5)Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
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 massUses 75.067 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsOCNHCalculated 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 associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
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.