National Cancer Institute Thesaurus

Last uploaded: February 23, 2024
Preferred Name

Flucytosine

Synonyms

Flucytosine

5-Fluorocytosine

flucytosine

4-Amino-5-fluoro-2(1H)-pyrimidinone

FLUCYTOSINE

5-FC

Alcobon

Ancobon

Ancotil

Ro 2-9915

Ro-2-9915

Definitions

A pyrimidine compound and a fluorinated cytosine analog exhibiting antifungal activity. After penetration into the fungal cells, flucytosine is deaminated to its active metabolite 5-fluorouracil. 5-fluorouracil replaces uracil during fungal RNA synthesis, thereby inhibiting fungal protein synthesis. In addition, fluorouracil is further metabolized to 5-fluorodeoxyuridylic acid monophosphate, which inhibits thymidylate synthetase, thereby interrupting nucleotide metabolism, DNA synthesis and ultimately protein synthesis.

ID

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C501

ALT_DEFINITION

A drug that treats infections caused by fungi.

CAS_Registry

2022-85-7

CHEBI_ID

CHEBI:5100

Chemical_Formula

C4H4FN3O

code

C501

Concept_In_Subset

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C176424

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C116978

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C116977

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C63923

Contributing_Source

CTRP

FDA

DEFINITION

A pyrimidine compound and a fluorinated cytosine analog exhibiting antifungal activity. After penetration into the fungal cells, flucytosine is deaminated to its active metabolite 5-fluorouracil. 5-fluorouracil replaces uracil during fungal RNA synthesis, thereby inhibiting fungal protein synthesis. In addition, fluorouracil is further metabolized to 5-fluorodeoxyuridylic acid monophosphate, which inhibits thymidylate synthetase, thereby interrupting nucleotide metabolism, DNA synthesis and ultimately protein synthesis.

Display_Name

Flucytosine

FDA_UNII_Code

D83282DT06

FULL_SYN

Flucytosine

5-Fluorocytosine

flucytosine

4-Amino-5-fluoro-2(1H)-pyrimidinone

FLUCYTOSINE

5-FC

Alcobon

Ancobon

Ancotil

Ro 2-9915

Ro-2-9915

label

Flucytosine

Legacy Concept Name

Flucytosine

NCI_Drug_Dictionary_ID

41023

NSC Number

103805

PDQ_Closed_Trial_Search_ID

41023

PDQ_Open_Trial_Search_ID

41023

Preferred_Name

Flucytosine

prefixIRI

Thesaurus:C501

Semantic_Type

Pharmacologic Substance

Nucleic Acid, Nucleoside, or Nucleotide

UMLS_CUI

C0016278

subClassOf

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C514

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Delete Mapping To Ontology Source
http://purl.obolibrary.org/obo/CHEBI_5100 PHIPO LOOM
http://purl.obolibrary.org/obo/CHEBI_5100 CHEBI LOOM
http://purl.obolibrary.org/obo/CHEBI_5100 PDRO LOOM
http://purl.obolibrary.org/obo/CHEBI_5100 BERO LOOM
http://purl.obolibrary.org/obo/CHEBI_5100 BIOMODELS LOOM
http://purl.obolibrary.org/obo/CHEBI_5100 DRON LOOM
http://purl.obolibrary.org/obo/CHEBI_5100 NIFSTD LOOM
http://purl.obolibrary.org/obo/CHEBI_5100 ODNAE LOOM
http://purl.bioontology.org/ontology/PDQ/CDR0000041023 PDQ LOOM
http://purl.obolibrary.org/obo/OMIT_0006646 OMIT LOOM
http://purl.bioontology.org/ontology/MESH/D005437 MESH LOOM
http://stirdf.jst.go.jp/id/200907004854896151 IOBC LOOM
http://purl.bioontology.org/ontology/ATC/D01AE21 ATC LOOM
http://www.drugbank.ca/drugs/DB01099 FTC LOOM
http://www.phoc.org.cn/pmo/class/PMO_00018454 PMAPP-PMO LOOM
http://purl.bioontology.org/ontology/CSP/1375-3816 CRISP LOOM
http://www.gamuts.net/entity#flucytosine GAMUTS LOOM
http://sbmi.uth.tmc.edu/ontology/ochv#5104 OCHV LOOM
http://purl.obolibrary.org/obo/dinto_DB01099 DINTO LOOM
http://www.co-ode.org/ontologies/galen#Flucytosine GALEN LOOM
http://phenomebrowser.net/ontologies/mesh/mesh.owl#D03.383.742.698.421.431 RH-MESH LOOM
http://purl.bioontology.org/ontology/VANDF/4017792 VANDF LOOM
http://purl.bioontology.org/ontology/RXNORM/4451 RXNORM LOOM
https://go.drugbank.com/drugs/DB01099 MDM LOOM
http://purl.obolibrary.org/obo/MESH_D005437 BERO LOOM
http://purl.bioontology.org/ontology/RCD/eh2.. RCD LOOM
http://purl.obolibrary.org/obo/NCIT_C501 BERO LOOM
http://purl.bioontology.org/ontology/SNOMEDCT/387155003 SNOMEDCT LOOM
http://purl.bioontology.org/ontology/ATC/J02AX01 ATC LOOM
http://phenomebrowser.net/ontologies/mesh/mesh.owl#D005437 RH-MESH LOOM
http://sbmi.uth.tmc.edu/ontology/ochv#C0016278 OCHV LOOM
http://evs.nci.nih.gov/ftp1/NDF-RT/NDF-RT.owl#N0000146153 ODAE LOOM
http://purl.bioontology.org/ontology/SNMI/C-52B30 SNMI LOOM
http://purl.jp/bio/4/id/200906031578671411 IOBC LOOM
http://purl.bioontology.org/ontology/NDDF/002898 NDDF LOOM
http://purl.bioontology.org/ontology/NDFRT/N0000146153 NDFRT LOOM