Pyoluteorin
A member of the class of resorcinols that is resorcinol in which the hydrogen at position 2 is replaced by a 4,5-dichloro-1H-pyrrole-2-carbonyl group. It is a natural product found in Pseudomonas fluorescens which exhibits antibacterial properties and is a strong inducer of caspase-3-dependent apoptosis. — ChEBI
Safety documents & references
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Identity & molecular properties
Source-linked values| CAS number | 25683-07-2 | ChEBI ↗ |
| Molecular formula | C11H7Cl2NO3 | ChEBI ↗ |
| Molar mass | 272.087 g/mol | ChEBI ↗ |
| Monoisotopic mass | 270.9803 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:156453 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 272.08 g/mol | PubChem ↗ |
| Exact mass | 270.9802985 Da | PubChem ↗ |
| Computed XLogP | 3.8 | PubChem ↗ |
| Topological polar surface area (Ų) | 73.3 | PubChem ↗ |
| H-bond donors | 3 | 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 identifierpyoluteorin(4,5-dichloro-1H-pyrrol-2-yl)(2,6-dihydroxyphenyl)methanoneJPGWTZORMBTNMF-UHFFFAOYSA-NO=C(c1cc(Cl)c(Cl)n1)c1c(O)cccc1OInChI=1S/C11H7Cl2NO3/c12-5-4-6(14-11(5)13)10(17)9-7(15)2-1-3-8(9)16/h1-4,14-16HNames & 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 272.087 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCClONHCalculated 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.