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4-Aminobuttersure

Gamma-Aminobutyric Acid

HCID 119
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Grundinformationen

CAS
56-12-2
Standard-SMILES
NCCCC(=O)O
InChIKey
BTCSSZJGUNDROE-UHFFFAOYSA-N
Summenformel
C4H9NO2
Durchschnittliche Molmasse
103,12 g/mol
Monoisotopische Masse
103,06332853

Überblick

Gamma-aminobutyric acid is a gamma-amino acid that is butanoic acid with the amino substituent located at C-4. It has a role as a neurotransmitter, a signalling molecule, a Saccharomyces cerevisiae metabolite and a human metabolite. It is a monocarboxylic acid and a gamma-amino acid. It is functionally related to a butyric acid. It is a conjugate acid of a gamma-aminobutyrate. It is a tautomer of a gamma-aminobutyric acid zwitterion.

Namen und Bezeichner

Bevorzugter Name
Gamma-Aminobutyric Acid
IUPAC
4-aminobutanoic acid
Lokaler Name
4-Aminobuttersure
Englischer Name
4-Aminobutyric acid
Summenformel
C4H9NO2
Molmasse
103.12

Namen und Synonyme

gamma-aminobutyric acidGABA56-12-2Piperidic acidPiperidinic acidAminalonGaballonMielomadeGamarexGammalonGammarGammasol
Weitere Namen anzeigen
4-AMINOBUTANOIC ACIDgammaγ-Aminobutyric acidY-Aminobutyric acid56-12-6H-GABA-OHaminobutyric
butanoic acid, 4-amino-GammaloneButyric acid, 4-amino-gamma-Aminobutanoic acidImmu-Ggamma-amino-n-butyric acidGammageeGamulin

Datenbank-Bezeichner

CAS
56-12-2
PubChem CID
119
DTXSID
DTXSID6035106
ChEMBL
CHEMBL96
ChEBI
CHEBI:16865
UNII
2ACZ6IPC6I
Nikkaji
J1.375G

Eigenschaften

Berechnete StruktureigenschaftenWird ergänzt

XLogP
-3,2
Polarare Oberfläche (TPSA)
63,3 Ų
H-Brücken-Donoren
2
H-Brücken-Akzeptoren
3
Frei drehbare Bindungen
3
Schwere Atome
7
Formalladung
0
Komplexität
62,7

Experimentelle und physikochemische Eigenschaften

DrugsPharmaceuticals -> Listed in ZINC15
LipidsFatty Acyls [FA] -> Fatty Acids and Conjugates [FA01] -> Amino fatty acids [FA0110]
CosmeticsHair conditioning
LogP-3.17
Flavoring AgentsEU Flavoring substances
Solubility · 2 Einträge

1300.0 mg/mL

1.2 [ug/mL] (The mean of the results at pH 7.4)

Melting Point203 °C
Physical DescriptionSolid
Ionization Efficiency · 6 Einträge

Negative

-1.52

10.5

Agilent XCT

Electrospray ionization

ammonia (10nM)

Dissociation Constants

Sicherheit und Regulatorisches

Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.

Gefahrenhinweise

Regulatory Information · 3 Einträge

Chemical: Butanoic acid, 4-amino-

Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)

gamma-Aminobutyric acid: Does not have an individual approval but may be used under an appropriate group standard

Other Safety InformationEvaluation - Chemicals that are unlikely to require further regulation to manage risks to environment

Toxikologische Informationen

Health Effects · 1 Eintrag

Chronically high levels of GABA are associated with at least 5 inborn errors of metabolism including: D-2-Hydroxyglutaric Aciduria, 4-Hydroxybutyric Aciduria/Succinic Semialdehyde Dehydrogenase Deficiency, GABA-Transaminase Deficiency, Homocarnosinosis and Succinic semialdehyde dehydrogenase deficiency.

Carcinogen ClassificationNo indication of carcinogenicity to humans (not listed by IARC).

Sicherheitsdaten

wgk
2
tsca
TSCA listed
hs_code
29224995
RTECS-Nr.
ES6300000
risk_code
36/37/38-20/21/22
hazard_code
Xi,Xn
hazard_note
Irritant
safety_code
26-36
Speicherklasse
11 - Combustible Solids

Chemie und Industrie

Pharmakologische Informationen

ATC Code · 2 Einträge

N - Nervous system

QN - Nervous system

MeSH Pharmacological ClassificationSubstances used for their pharmacological actions on GABAergic systems. GABAergic agents include agonists, antagonists, degradation or uptake inhibitors, depleters, precursors, and modulators of receptor function.
Tissue LocationsAdrenal Cortex
Cellular LocationsExtracellular
Metabolite Pathways2-Hydroxyglutric Aciduria (D And L Form)

Verwendung und Herstellung

UsesThis is an endogenously produced metabolite found in the human body. It is used in metabolic reactions, catabolic reactions or waste generation.
Use ClassificationCosmetics -> Hair conditioning
General Manufacturing InformationButanoic acid, 4-amino-: ACTIVE
Anwendungen · 3 Einträge

Beschreibung4-Aminobutyric acid (GABA) is the chief inhibitory neurotransmitter in the mammalian central nervous system. It plays a role in regulating neuronal excitability throughout the nervous system. In humans, GABA is also directly responsible for the regulation of muscle tone. Although chemically it is an amino acid, GABA is rarely referred to as such in the scientific or medical communities, because the term "amino acid," used without a qualifier, conventionally refers to the alpha amino acids, which GABA is not, nor is it ever incorporated into a protein. In spastic diplegia in humans, GABA absorption becomes impaired by nerves damaged from the condition's upper motor neuron lesion, which leads to hypertonia of the muscles signaled by those nerves that can no longer absorb GABA.

Zugehörige Reaktionen

175
Reaktionsaufzeichnung erstellen
Reaktionsgleichung von HRID 3261
HRID 3261als Eduktuspto-grants-1998_03
Reaktionsgleichung von HRID 27348
HRID 27348als Eduktuspto-grants-1980_09
Reaktionsgleichung von HRID 53673
HRID 53673als Eduktuspto-grants-1997_04
Reaktionsgleichung von HRID 88543
HRID 88543als EduktTraining data from https://doi.org/10.1039/C8SC04228D (2/10)
Reaktionsgleichung von HRID 124149
HRID 124149als EduktTraining data from https://doi.org/10.1039/C8SC04228D (2/10)
Reaktionsgleichung von HRID 178342
HRID 178342als EduktTraining data from https://doi.org/10.1039/C8SC04228D (6/10)
Reaktionsgleichung von HRID 187270
HRID 187270als EduktTraining data from https://doi.org/10.1039/C8SC04228D (6/10)
Reaktionsgleichung von HRID 189420
HRID 189420als EduktTraining data from https://doi.org/10.1039/C8SC04228D (6/10)
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10.6

Physikochemische Eigenschaften

Schmelzpunkt
195 °C · 195 °C (dec.) (lit.)
Siedepunkt
248 · 248.0±23.0 °C(Predicted)
Dichte
1.23 · 1.2300 (estimate)
Brechungsindex
1.465 · 1.4650 (estimate)
FEMA
4288 · 4288 | 4-AMINOBUTYRIC ACID
storage temp.
2 · 2-8°C
Löslichkeit
2 O: · H2O: 1 M at 20 °C, clear, colorless
pka
4.031 · 4.031(at 25℃)
Aggregatzustand
Powder
Farbe
White to almost white
Geruch (Odor)
1 % · at 1.00 % in propylene glycol. savory meaty
Geruchsart
meaty
Wasserlöslichkeit
SOLUBLE
Merck
14 · 14,430
JECFA Number
1771 · 1771
BRN
906818 · 906818
Kosmetik-Inhaltsstoffe Funktionen
HAIR CONDITIONING
InChI
1S/C4H9NO2/c5-3-1-2-4(6)7/h1-3,5H2,(H,6,7)
InChIKey
BTCSSZJGUNDROE-UHFFFAOYSA-N
SMILES
NCCCC(O)=O
LogP
-3.17 · -3.17
CAS Datenbank
56 · 56-12-2(CAS DataBase Reference)
NIST chemische Informationen
4 · 4-Aminobutanoic acid(56-12-2)
EPA chemische Informationen
4 · 4-Aminobutanoic acid (56-12-2)

History4-Aminobutyric acid was first synthesized in 1883, and was first known only as a plant and microbe metabolic product. In 1950, however, GABA was discovered to be an integral part of the mammalian central nervous system.

Verwenden4-Aminobutyric acid is an important inhibitory neurotransmitter in the central nervous system, which has good water solubility and thermal stability. It has been confirmed that GABA, as a small molecular weight non protein amino acid, has edible safety and can be used in the production of beverages and other foods. Studies have shown that a certain amount of GABA can improve the body's sleep quality and reduce blood pressure.The foods contain γ-aminobutyric acid (GABA) at an amount that shows immediate effect of suppressing autonomic nerve activity related to blood pressure increase. Reacts with isothiocyanates to produce thioureas which have antifungal activity.

Darstellung · 1 Eintrag

synthetischeThe synthesis of 4-aminobutyric acid mainly includes the following: the first is the use of potassium Phthaloyl imine and γ- Chloroprene cyanogen or butyrolactone is used as the raw material of GABA. The final product obtained after violent reaction and hydrolysis is GABA; The second is to use pyrrolidone as the initial raw material, hydrolyze it through calcium hydroxide and ammonium bicarbonate, and finally open its ring to obtain GABA; The third is to use butyric acid and ammonia as raw materials of GABA γ GABA was obtained by light reaction under X-ray conditions; The fourth method is to synthesize GABA with propylamine and formic acid by glow discharge; The fifth is to use methyl bromoacetate and ethylene as raw materials to prepare GABA. Methyl 4-bromobutyrate is obtained through polymerization. Finally, the product after ammonolysis and hydrolysis is GABA. The chemical synthesis methods of GABA have the disadvantages of difficult reaction control and high cost.

Vor- und nachgelagerte Produkte

Vorgelagerte Rohstoffe

Cation exchange resin,strong acidic styrenePotassium phthalimide1-Methyl-2-pyrrolidonSojabohnenoelHexanoylchlorid2-Pyrrolidon4-ChlorbutyronitrilN,N,N-Tri(polyoxypropylene polyoxyethylene)aminecorn syrupAmmoniumhydrogencarbonat

Nachgelagerte Produkte

2-Hydroxy-4-amino butanoic acidAlendronic acidAniracetam4-Maleimidobutyric acid4-Dimethylaminobutyric acid hydrochlorideMethyl 4-aminobutyrate hydrochloride4-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)butanoic acid4-(4-Oxo-2-thioxo-thiazolidin-3-yl)-butyric acid
Ergänzende Hinweise · 1 Eintrag

Definition4-Aminobutyric acid is a gamma-amino acid that is butanoic acid with the amino substituent located at C-4. It has a role as a signalling molecule, a human metabolite, a Saccharomyces cerevisiae metabolite and a neurotransmitter. It is a gamma-amino acid and a monocarboxylic acid. It derives from a butyric acid. It is a conjugate acid of a gamma-aminobutyrate. It is a tautomer of a gamma-aminobutyric acid zwitterion.