Azaserine
A carboxylic ester resulting from the formal condensation of the carboxy group of diazoacetic acid with the alcoholic hydroxy group of L-serine. An antibiotic produced by a Streptomyces species. — ChEBI
Safety documents & references
1 indexed referencesFind a product-specific SDS
Safety guides and government classification records are not a manufacturer’s SDS. Match supplier, product number, concentration, physical form, region and revision before using a document.
Identity & molecular properties
Source-linked values| CAS number | 115-02-6 | ChEBI ↗ |
| Molecular formula | C5H7N3O4 | ChEBI ↗ |
| Molar mass | 173.128 g/mol | ChEBI ↗ |
| Monoisotopic mass | 173.04366 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:74846 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 173.13 g/mol | PubChem ↗ |
| Exact mass | 173.04365571 Da | PubChem ↗ |
| Computed XLogP | -3.2 | PubChem ↗ |
| Topological polar surface area (Ų) | 91.6 | PubChem ↗ |
| H-bond donors | 2 | PubChem ↗ |
| H-bond acceptors | 6 | PubChem ↗ |
| Rotatable bonds | 5 | 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 identifierazaserineO-(diazoacetyl)-L-serineMZZGOOYMKKIOOX-VKHMYHEASA-N[N-]=[N+]=CC(=O)OC[C@H](N)C(=O)OInChI=1S/C5H7N3O4/c6-3(5(10)11)2-12-4(9)1-8-7/h1,3H,2,6H2,(H,10,11)/t3-/m0/s1Names & 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.
Safety classification · Japan
NITE / Japanese governmentO-(2-Diazoacetyl)-L-serine, (alias Azaserine) · 21A3744
| Endpoint | Reported classification |
|---|---|
| Acute toxicity （Oral） | Category 3 |
| Germ cell mutagenicity | Category 2 |
| Carcinogenicity | Category 2 |
| Reproductive toxicity | Category 2 |
Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.
Read the original NITE classificationMass ↔ amount of substance
Calculated from sourced massUses 173.128 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.