Aminophenazone
A pyrazolone that is 1,2-dihydro-3H-pyrazol-3-one substituted by a dimethylamino group at position 4, methyl groups at positions 1 and 5 and a phenyl group at position 2. It exhibits analgesic, anti-inflammatory, and antipyretic properties. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 58-15-1 | ChEBI ↗ |
| Molecular formula | C13H17N3O | ChEBI ↗ |
| Molar mass | 231.299 g/mol | ChEBI ↗ |
| Monoisotopic mass | 231.13716 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:160246 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 231.29 g/mol | PubChem ↗ |
| Exact mass | 231.137162174 Da | PubChem ↗ |
| Computed XLogP | 1 | PubChem ↗ |
| Topological polar surface area (Ų) | 26.8 | PubChem ↗ |
| H-bond donors | 0 | PubChem ↗ |
| H-bond acceptors | 3 | PubChem ↗ |
| Rotatable bonds | 2 | 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 identifieraminophenazone4-(dimethylamino)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-oneRMMXTBMQSGEXHJ-UHFFFAOYSA-NCc1c(N(C)C)c(=O)n(-c2ccccc2)n1CInChI=1S/C13H17N3O/c1-10-12(14(2)3)13(17)16(15(10)4)11-8-6-5-7-9-11/h5-9H,1-4H3Names & 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 231.299 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCNHOCalculated 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.