Deferiprone
A member of the class of 4-pyridones that is pyridin-4(1H)-one substituted at positions 1 and 2 by methyl groups and at position 3 by a hydroxy group. A lipid-soluble iron-chelator used for treatment of thalassaemia. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 30652-11-0 | ChEBI ↗ |
| Molecular formula | C7H9NO2 | ChEBI ↗ |
| Molar mass | 139.154 g/mol | ChEBI ↗ |
| Monoisotopic mass | 139.06333 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:68554 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 139.15 g/mol | PubChem ↗ |
| Exact mass | 139.063328530 Da | PubChem ↗ |
| Computed XLogP | 0.5 | PubChem ↗ |
| Topological polar surface area (Ų) | 40.5 | PubChem ↗ |
| H-bond donors | 1 | PubChem ↗ |
| H-bond acceptors | 3 | PubChem ↗ |
| Rotatable bonds | 0 | 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 identifierdeferiprone3-hydroxy-1,2-dimethylpyridin-4(1H)-oneTZXKOCQBRNJULO-UHFFFAOYSA-NCc1c(O)c(=O)ccn1CInChI=1S/C7H9NO2/c1-5-7(10)6(9)3-4-8(5)2/h3-4,10H,1-2H3Names & 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 139.154 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCONHCalculated 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.