L-theanine is an amino acid commonly found in tea.Theanine testing is provided under amino acids testing services at NPA Laboratories, LLC

Nutritional Phytochemical Analytical Laboratory

Molecular Weight: 174.20

Molecular Formula:  C₇H₁₄N₂O₃

IUPAC Name: 2-Amino-4-(ethylcarbamoyl)butyric acid

CAS Name: L-theanine

CAS number:  3081-61-6

One Letter Code: 

Three Letter Code:

L-Theanine

Structural Formula

3D Structural Formula

¨ Alanine

¨ Arginine

¨ Aspartic Acid

¨ Cysteine

¨ Cystine

¨ Glutamic Acid

¨ Glycine

¨ Histidine

¨ Isoleucine

¨ Leucine

¨ Lysine

¨ L-Theanine

¨ Methionine

¨ Phenylalanine

¨ Proline

¨ Serine

¨ Taurine

¨ Threonine

¨ Tryptophan

¨ Tyrosine

¨ Valine

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