L-Theanine (N-Ethyl-L-glutamine)

RT

174, 2

White to off-white solid

A non-protein amino acid mainly found naturally in the green tea plant. It may have activity in modulating the metabolism of cancer chemotherapeutics agents.

Synonyms:
N-Ethyl-L-glutamine; Nγ-Ethyl-L-glutamine; Suntheanine; Theanin; Theanine; NSC 21308

CAS No:
3081-61-6

Molecular Formula:
C₇H₁₄N₂O₃

Molecular Weight:
174.20

Appearance:
White to off-white solid

Purity:
≥98%

Melting Point:
>180°C (dec.)

Specific Optical Rotation [α]20 (c=1, H O) D. 2
+7.5 to +8.5°

Water:
≤1%

Solubility:
Water (Slightly)

Storage and Stability:
Store at 4°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.