C7H14N2O3
174.2 g/mol
Food AdditiveWarning
L-Theanine
CAS3081-61-6EC221-379-0
Category
Food Additive
Compound Class
Natural Product
Primary Use
Dietary supplement and flavor additive
L-Theanine is an amino acid analog commonly found in green tea leaves, known for its use as a dietary supplement and flavor additive. It is structurally characterized by the presence of amine, amide, and carboxylic acid functional groups.
Dietary supplementFlavor additive
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 3081-61-6
Related Compounds
Safety Reference
Warning
H317May cause an allergic skin reaction
Identifiers
IUPAC Name
(2S)-2-amino-5-(ethylamino)-5-oxopentanoic acid
InChIKey
DATAGRPVKZEWHA-YFKPBYRVSA-N
SMILES
CCNC(=O)CC[C@@H](C(=O)O)N
Synonyms (25)
- L-Theanine, United States Pharmacopeia (USP)
- Glutamine, N-ethyl-, L-
- Glutamine, N-gamma-ethyl-
- H-Glu(NHEt)-OH
- L-Theanine
- L-Theanine (Standard)
- L-Theanine, >=98% (HPLC)
- L-gamma-Glutamylethylamide
- N-Ethyl-L-glutamine
- N-gamma-Ethyl-L-glutamine
- N5-Ethyl-L-glutamine
- Suntheanine
- THEANINE, L-
- Theanin
- Theanine
- delta-glutamylethylamide