Glutamine-S

Selling Glutamine-S CAS:39537-23-0,Assay: ≥99.0% MF:C8H15N3O4 Standard:Enterprise Standard packing:25kg/drum Description White or almost-white crystalline powder Complies Easily soluble in water and methanoic acid;don’t soluble in methanol,chloroform，dimethyl sulfoxide，acetidin，tetrahydrofuran Complies Specific rotation +9.5°~+11.0° +10.43° Identification A The solution develops bluish-violet Complies B IR spectrum agrees with reference standard Complies C The retention time is concordant with reference standard Complies PH value 5.0~6.5 5.68 Clarity of solution Should be clear.

Otherwise, the color should not darker than No.2 turbidity reference solution Complies

Related Substances Cyclo-(L-alanyl-L-glutamine) Not more than 0.5% 0.042% L-Alanine-L-lactamic acid Not more than 0.15% Not detected L-pyroglutamic acid Not more than 0.05% Not detected N(2)-D-alanyl-L-glutamine Not more than 0.05% Not detected L-alanyl-L-glutaminic acid Not more than 0.5% Not detected Other unknown maximum single impurity Not more than 0.2% 0.014% Sum of other unknown impurities Not more than 0.5% 0.033% Chloride Not more than 0.02% complies Loss on drying Not more than 0.5% 0.08% Residue on ignition Not more than 0.1% 0.06% Heavy metals Not more than 0.001% Complies Methanol Not more than 0.5% Not detected Assay (on dried basis) NMT98.5% 99.636% Conclusion:The product conforms to Enterprise Standard.