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CAS RN: 3081-61-6 | Product Number: T0954


Purity: >98.0%(T)
  • N-γ-Ethyl-L-glutamine
  • L-γ-Glutamylethylamide
34   1   ≥40 
4   1   27  

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Product Number T0954
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__7H__1__4N__2O__3 = 174.20 
Physical State (20 deg.C) Solid
CAS RN 3081-61-6
Reaxys Registry Number 1725586
PubChem Substance ID 87576768
SDBS (AIST Spectral DB) 4952
MDL Number


Appearance White to Almost white powder to crystal
Purity(Nonaqueous Titration) min. 98.0 %
Specific rotation [a]20/D +7.6 to +8.4 deg(C=5, H2O)
Solubility in Water almost transparency
Properties (reference)
Melting Point 207 °C
Specific Rotation 8° (C=5,H2O)
Solubility in water Soluble
Solubility (insoluble in) Ether,Alcohol
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HS Number 2922.49.8000
L-Theanine: An Important Neurotransmitter Found in Tea Plant

L-Theanine is a glutamate analog found in tea plants (Camellia sinensis) and the main component responsible for the exotic taste (umami) of green tea. It has been reported that L-theanine is an important neurotransmitter concerned with memory, and permeates the blood-brain barrier and exerts neuroprotective effects. 1,2) L-Theanine shows an antagonistic effect on AMPA/Kainate-type glutamate receptors. L-Theanine also acts on glutamine transporters and inhibits the glutamate/glutamine cycle. Furthermore, L-theanine enhances the antitumor efficacy of chemotherapeutic agents. 3,4) (The product is for research purpose only.)


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