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dihydro-3-coumaric acid
benzenepropanoic acid, 3-hydroxy- (9CI)

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Name:3-(3-hydroxyphenyl)propanoic acid
CAS Number: 621-54-5Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:210-692-8
Nikkaji Web:J59.910G
Beilstein Number:1947445
XlogP3:1.40 (est)
Molecular Weight:166.17630000
Formula:C9 H10 O3
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, 1.737e+004 mg/L @ 25 °C (est)
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
None found
BOC Sciences
For experimental / research use only.
Endeavour Specialty Chemicals
3-(3-Hydroxyphenyl)-propionic acid
Speciality Chemical Product Groups
Robinson Brothers
3-(3-Hydroxyphenyl)-propionic acid
Santa Cruz Biotechnology
For experimental / research use only.
3-(3-Hydroxyphenyl)propionic acid ≥98%
For experimental / research use only.
3-(3-Hydroxyphenyl)propionic Acid ≥98.0% (qNMR)
Safety Information:
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 dihydro-3-coumaric acid usage levels up to:
 not for fragrance use.
Recommendation for dihydro-3-coumaric 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 :91
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
3-(3-hydroxyphenyl)propanoic acid
 3-(3-hydroxyphenyl)propanoic acid
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):91
Pubchem (cas):621-54-5
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
KEGG (GenomeNet):C11457
HMDB (The Human Metabolome Database):HMDB00375
VCF-Online:VCF Volatile Compounds in Food
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 found in nature
 benzenepropanoic acid, 3-hydroxy- (9CI)
3-hydroxybenzene propanoic acid
meta-hydroxyhydrocinnamic acid
3-(3-hydroxyphenyl) propionic acid
3-(meta-hydroxyphenyl) propionic acid
beta-(3-hydroxyphenyl) propionic acid
beta-(meta-hydroxyphenyl) propionic acid
3-(3-hydroxyphenyl)propionic acid
3-(3-Hydroxyphenyl)propanoic (hMPP) acid is one of the major metabolites of ingested caffeic acid (PMID 15479001) and of the phenolic degradation products of proanthocyanidins (the most abundant polyphenol present in chocolate) by the microflora in the colon (PMID 12663291). mHPP is suspected to have antioxidants properties and is actively absorbed by the monocarboxylic acid transporter (MCT) in intestinal Caco-2 cell monolayers (PMID 15479001, 12663291). [HMDB]
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