Piromidic acid
A pyridopyrimidine that is 5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid, substituted at position 2 by a pyrrolidin-1-yl group and at position 8 by an ethyl group. A synthetic antibacterial which is used for the treatment of urinary tract and intestinal infections. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 19562-30-2 | ChEBI ↗ |
| Molecular formula | C14H16N4O3 | ChEBI ↗ |
| Molar mass | 288.307 g/mol | ChEBI ↗ |
| Monoisotopic mass | 288.12224 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:32019 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 288.30 g/mol | PubChem ↗ |
| Exact mass | 288.12224039 Da | PubChem ↗ |
| Computed XLogP | 1.3 | PubChem ↗ |
| Topological polar surface area (Ų) | 86.6 | PubChem ↗ |
| H-bond donors | 1 | PubChem ↗ |
| H-bond acceptors | 7 | 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 identifierpiromidic acid8-ethyl-5-oxo-2-(pyrrolidin-1-yl)-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acidRCIMBBZXSXFZBV-UHFFFAOYSA-NCCn1cc(C(=O)O)c(=O)c2cnc(N3CCCC3)nc21InChI=1S/C14H16N4O3/c1-2-17-8-10(13(20)21)11(19)9-7-15-14(16-12(9)17)18-5-3-4-6-18/h7-8H,2-6H2,1H3,(H,20,21)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 288.307 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.