Zidovudine
A pyrimidine 2',3'-dideoxyribonucleoside compound having a 3'-azido substituent and thymine as the nucleobase. — ChEBI
Safety documents & references
1 indexed referencesFind a product-specific SDS
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Identity & molecular properties
Source-linked values| CAS number | 30516-87-1 | ChEBI ↗ |
| Molecular formula | C10H13N5O4 | ChEBI ↗ |
| Molar mass | 267.245 g/mol | ChEBI ↗ |
| Monoisotopic mass | 267.09675 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:10110 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 267.24 g/mol | PubChem ↗ |
| Exact mass | 267.09675391 Da | PubChem ↗ |
| Computed XLogP | 0 | PubChem ↗ |
| Topological polar surface area (Ų) | 93.2 | PubChem ↗ |
| H-bond donors | 2 | PubChem ↗ |
| H-bond acceptors | 6 | PubChem ↗ |
| Rotatable bonds | 3 | 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 identifierzidovudine3'-azido-3'-deoxythymidineHBOMLICNUCNMMY-XLPZGREQSA-NCc1cn([C@H]2C[C@H](N=[N+]=[N-])[C@@H](CO)O2)c(=O)nc1=OInChI=1S/C10H13N5O4/c1-5-3-15(10(18)12-9(5)17)8-2-6(13-14-11)7(4-16)19-8/h3,6-8,16H,2,4H2,1H3,(H,12,17,18)/t6-,7+,8+/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 government1-［(2R,4S,5S)-4-Azido-5-(hydroxymethyl)oxolan-2-yl］-5-methylpyrimidine-2,4-dione, (alias Zidovudine) · 21A3752
| Endpoint | Reported classification |
|---|---|
| Germ cell mutagenicity | Category 2 |
| Carcinogenicity | Category 2 |
| Reproductive toxicity | Category 2, Additional category: Effects on or via lactation |
| Specific target organ toxicity - Single exposure | Category 1 (bone marrow) |
| Specific target organ toxicity - Repeated exposure | Category 1 (bone marrow) |
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 267.245 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCNOHCalculated 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.