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pentacosanoic acid
hyenic acid

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CAS Number: 506-38-7Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:208-036-0
Nikkaji Web:J95.435G
XlogP3:11.20 (est)
Molecular Weight:382.67190000
Formula:C25 H50 O2
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:natural substances and extractives
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
Physical Properties:
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Soluble in:
 water, 1.852e-006 mg/L @ 25 °C (est)
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
None found
Santa Cruz Biotechnology
For experimental / research use only.
Pentacosanoic Acid
Sigma-Aldrich: Sigma
For experimental / research use only.
Pentacosanoic Acid ≥99% (capillary GC)
For experimental / research use only.
Pentacosanoic Acid >96.0%(GC)
Safety Information:
Preferred SDS: View
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
natural substances and extractives
Recommendation for pentacosanoic acid usage levels up to:
 not for fragrance use.
Recommendation for pentacosanoic acid flavor usage levels up to:
 not for flavor use.
Safety References:
EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :10468
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
pentacosanoic acid
 pentacosanoic acid
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):10468
Pubchem (cas):506-38-7
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
Golm Metabolome Database:Search
HMDB (The Human Metabolome Database):HMDB02361
Export Tariff Code:2915.90.1800
VCF-Online:VCF Volatile Compounds in Food
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 citrus bergamia
Search Trop Picture
 hyenic acid


PubMed:[Chemical constituents from fresh tubers of Dioscorea bulbifera].
PubMed:Pentadecanoic and Heptadecanoic Acids: Multifaceted Odd-Chain Fatty Acids.
PubMed:A New Alkenylmethylresorcinol from the Fruits of Ardisia kivuensis.
PubMed:Chemical composition of the fatty oils of the seeds of Cleome viscosa accessions.
PubMed:[Studies on the chemical constituents from the stems of Acanthopanax gracilistylus].
PubMed:[Study on the chemical constituents from Clematis brevicaudata].
PubMed:[Studies on chemical constituents of Caesalpinia decapetala (Roth) Alston].
PubMed:[Study on chemical constituents from Mycale parishi].
PubMed:[Studies on chemical constituents of the roots of Gypsophila oldhamiana Miq].
PubMed:Lipid composition of the extracellular matrix of Botrytis cinerea germlings.
PubMed:Occurrence of an unusual amount of an odd-numbered fatty acid in glycosphingolipids from human cataracts.
None found
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