CHEBI:142447 - octadec-17-ynoic acid

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ChEBI Name octadec-17-ynoic acid
Definition An acetylenic fatty acid that is octadecanoi acid (stearic acid) which has been doubly dehydrogenated at positions 17 and 18 to give the corresponding alkynoic acid.
Stars This entity has been manually annotated by the ChEBI Team.
Submitter Mark Williams
Supplier Information
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Formula C18H32O2
Net Charge 0
Average Mass 280.446
Monoisotopic Mass 280.24023
InChI InChI=1S/C18H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h1H,3-17H2,(H,19,20)
Roles Classification
Chemical Role(s): Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
Biological Role(s): P450 inhibitor
An enzyme inhibitor that interferes with the activity of cytochrome P450 involved in catalysis of organic substances.
EC (leukotriene-B4 20-monooxygenase) inhibitor
Any EC 1.14.14.* (oxidoreductase acting on paired donors, incorporating of 1 atom of oxygen, with reduced flavin or flavoprotein as one donor) inhibitor that interferes with the action of leukotriene-B4 20-monooxygenase (EC
EC (alkane 1-monooxygenase) inhibitor
Any EC 1.14.15.* (oxidoreductase acting on paired donors, with reduced Fe-S protein as one donor, incorporating 1 O atom) inhibitor that interferes with the action of alkane 1-monooxygenase (EC
View more via ChEBI Ontology
ChEBI Ontology
Outgoing octadec-17-ynoic acid (CHEBI:142447) has role EC (leukotriene-B4 20-monooxygenase) inhibitor (CHEBI:142480)
octadec-17-ynoic acid (CHEBI:142447) has role EC (alkane 1-monooxygenase) inhibitor (CHEBI:142481)
octadec-17-ynoic acid (CHEBI:142447) has role P450 inhibitor (CHEBI:50183)
octadec-17-ynoic acid (CHEBI:142447) is a acetylenic fatty acid (CHEBI:25380)
octadec-17-ynoic acid (CHEBI:142447) is a long-chain fatty acid (CHEBI:15904)
octadec-17-ynoic acid (CHEBI:142447) is a monounsaturated fatty acid (CHEBI:25413)
octadec-17-ynoic acid (CHEBI:142447) is a terminal acetylenic compound (CHEBI:73477)
octadec-17-ynoic acid
Synonyms Sources
17-octadecyn-1-oic acid ChEBI
17-octadecynoic acid ChEBI
17-ODYA ChemIDplus
Manual Xref Database
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Registry Numbers Types Sources
2048022 Reaxys Registry Number Reaxys
34450-18-5 CAS Registry Number NIST Chemistry WebBook
34450-18-5 CAS Registry Number ChemIDplus
Citations Waiting for Citations Types Sources
18771665 PubMed citation Europe PMC
19138970 PubMed citation Europe PMC
19443836 PubMed citation Europe PMC
8301590 PubMed citation Europe PMC
9683041 PubMed citation Europe PMC
Last Modified
30 October 2018