Chemical substance record

Fluopsin C

31323-25-8C₄H₈CuN₂O₂S₂243.8 g/mol

Coordination CompoundChEBI source record

A copper coordination entity in which copper(2+) is coordinated to two molar equivalents of [methanethioyl(methyl)amino]oxidanide. It is an antibiotic from Pseudomonas aeruginosa. — ChEBI

Safety references

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Identity & molecular properties

Source-linked values

CAS number	31323-25-8	ChEBI ↗
Molecular formula	C₄H₈CuN₂O₂S₂	ChEBI ↗
Molar mass	243.8 g/mol	ChEBI ↗
Monoisotopic mass	242.93232 Da	ChEBI ↗
Formal charge	0	ChEBI ↗
ChEBI identifier	CHEBI:222417	ChEBI ↗

Names & structural identifiers

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Source preferred name

fluopsin C

IUPAC name

bis(N-hydroxy-kappaO-N-methylthioformamidato-kappaS)copper

InChIKey

PGYZQLIUYISMJD-UHFFFAOYSA-N

SMILES

CN1C=[S][Cu]2([O]1)[O]N(C)C=[S]2

InChI

InChI=1S/2C2H4NOS.Cu/c2*1-3(4)2-5;/h2*2H,1H3;/q2*-1;+2

Names & synonyms

bis(N-hydroxy-kappaO-N-methylthioformamidato-kappaS)copper

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology

copper coordination entityChEBI parent class · 37403 ↗

coordination entity

Roles recorded in ChEBI

antibacterial agentantineoplastic agenthepatotoxic agentbacterial metabolite

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 mass

Amount

Input unit

Equivalent amount

0.00410172 mol

Uses 243.8 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions

S

Sulfur · 2 atoms

26.31%

Cu

Copper · 1 atom

26.07%

C

Carbon · 4 atoms

19.71%

O

Oxygen · 2 atoms

13.12%

N

Nitrogen · 2 atoms

11.49%

H

Hydrogen · 8 atoms

3.31%

Calculated 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 associations

Fluopsin C induces oncosis of human breast adenocarcinoma cells. ↗Acta pharmacologica Sinica · 2013 Aug · PMID 23708552

Fluopsin C for Treating Multidrug-Resistant Infections: In vitro Activity Against Clinically Important Strains and in vivo Efficacy Against Carbapenemase-Producing Klebsiella pneumoniae. ↗Frontiers in microbiology · 2019 · PMID 31708901

WO2004050095 · Patent reference ↗Patent cross-reference supplied by ChEBI. Association alone does not establish claim scope.

WO2004078179 · Patent reference ↗Patent cross-reference supplied by ChEBI. Association alone does not establish claim scope.

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Sources & record history

Checked 27 Sep 2026

Identity, formula, mass, synonyms & ontologyEMBL-EBI ChEBI · CHEBI:222417

Release 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.

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