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- Details for L-Theanine
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L-Theanine
Category : Pharmaceuticals and Biochemicals
CAS NO : 3081-61-6 EC NO : 221-379-0 MF : C7H14N2O3 MW : 174.1977 Product description : Appearance White crystalline powder Specific rotation(a)D20 (C=1 , H2O ) +7.7o to +8.5o Solubility (1.0g/20ml H2O) Clear Colorless Melting Point (oC) 211-216 oC Chloride(C1) Not more than 0.02% Iron(Fe) Not more than 10ppm Heavy metals( Pb ) Not more than 10ppm Arsenic(As2O3 ) Not more than 4ppm Loss on drying( 100 ?? 3h) Not more than 0.50% Residue on ignition Not more than 0.2% Assay 98.0-102.0% PH 5.0~6.0 Synonyms : Theanine;L-Theanine;N5-Ethyl-L-glutamine;N-ethyl-L-glutamine;N'-Ethyl-L-glutamine; Molecular Structure : 
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