Glutamine-S - 6546

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.