EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes

butanoic acid, 2-amino-4-hydroxy-, (S)-

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CAS Number: 672-15-1Picture of molecule3D/inchi
Other(deleted CASRN):498-19-1
ECHA EINECS - REACH Pre-Reg:211-590-6
Nikkaji Web:J9.199E
Beilstein Number:1721681
XlogP3:-4.40 (est)
Molecular Weight:119.12033000
Formula:C4 H9 N O3
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:information only not used for fragrances or flavors
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
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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
Melting Point: 203.00 °C. @ 760.00 mm Hg
Boiling Point: 368.72 °C. @ 760.00 mm Hg (est)
Flash Point: 350.00 °F. TCC ( 176.80 °C. ) (est)
logP (o/w): -1.289 (est)
Soluble in:
 water, 1.00E+06 mg/L @ 30 °C (exp)
 water, 2.931e+005 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.
L-Homoserine >98.0%(T)
Changzhou Longo Chemical
EMD Millipore
For experimental / research use only.
Penta International
Sabinsa Corporation
Sigma-Aldrich: Sigma
For experimental / research use only.
For experimental / research use only.
L-homoserine >98.0%(T)
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:
information only not used for fragrances or flavors
Recommendation for laevo-homoserine usage levels up to:
 not for fragrance use.
Recommendation for laevo-homoserine 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 :12647
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
(2S)-2-amino-4-hydroxybutanoic acid
 (2S)-2-amino-4-hydroxybutanoic acid
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):12647
Pubchem (sid):134977914
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
Metabolomics Database:Search
KEGG (GenomeNet):C00263
HMDB (The Human Metabolome Database):HMDB00719
YMDB (Yeast Metabolome Database):YMDB00104
Export Tariff Code:2922.50.5000
VCF-Online:VCF Volatile Compounds in Food
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 canavalia ensiformis seed
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(S)-2-amino-4-hydroxy-Butanoic acid
(S)-2-amino-4-hydroxy-butyric acid
(2S)-2-amino-4-hydroxybutanoic acid
(S)-2-amino-4-hydroxybutanoic acid
(2S)-2-amino-4-hydroxybutyric acid
(S)-2-amino-4-hydroxybutyric acid
L-2-amino-4-hydroxybutyric acid
 butanoic acid, 2-amino-4-hydroxy-, (S)-
 butyric acid, 2-amino-4-hydroxy-, L-
Present in germinating peas, Jack bean seeds (Canavalia ensiformis) and the seedlings of many leguminous plants Homoserine is a more reactive variant of the amino acid serine. In this variant, the hydroxyl side chain contains an additional CH2 group which brings the hydroxyl group closer to its own carboxyl group, allowing it to chemically react to form a five-membered ring. This occurs at the point that amino acids normally join to their neighbours in a peptide bond.; Homoserine is therefore unsuitable for forming proteins and has been eliminated from the repertoire of amino acids used by living things.; Homoserine is the final product on the C-terminal end of the N-terminal fragment following a cyanogen bromide cleavage. (wikipedia); Homoserine is an intermediate in the biosynthesis of three essential amino acids: methionine, threonine (an isomer of homoserine), and isoleucine. It forms by two reductions of aspartic acid via the intermediacy of aspartate semialdehyde.; Homoserine is an ?-amino acid with the chemical formula HO2CCH(NH2)CH2CH2OH. L-Homoserine is not one of the common amino acids encoded by DNA. It differs from the proteinogenic amino acid serine by insertion of an additional methylene group. Homoserine, or its lactone form, is the product of a cyanogen bromide cleavage of a peptide by degradation of methionine.
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