1. Product name: L-Glutamine alpha-ketoglutarate (1:1)
Molecular formula:C10H16N2O8
Structural formula:
Specification:
|
Item
|
Specification
|
|
Appearance
|
White crystalline powder
|
|
Assay (%)
|
≥ 98.0
|
|
L-Glutamine (%)
|
49.0 ～ 51.0
|
|
AKG Acid (%)
|
49.0 ～ 51.0
|
|
Specific rotation ( °)[α]D20
|
+16.0 ± 1.0 (2%, 1mol/L HCl)
|
|
Loss on Drying (%)
|
≤ 0.5
|
|
Residue on ignition (%)
|
≤ 0.1
|
|
Heavy Metals (as Pb) (ppm)
|
≤ 10
|
|
As (ppm)
|
≤ 2
|
2. Product name: L-Glutamine alpha-ketoglutarate (2:1)
Molecular formula:C15H26N4O11
Structural formula:
Specification:
|
Item
|
Specification
|
|
Appearance
|
White crystalline powder
|
|
Assay (%)
|
≥ 98.0
|
|
L-Glutamine (%)
|
64.5 ～ 68.5
|
|
AKG Acid (%)
|
31.5 ～ 35.5
|
|
Specific rotation ( °)[α]D20
|
+21.0 ± 1.0 (2%, 1mol/L HCl)
|
|
Loss on Drying (%)
|
≤ 0.5
|
|
Residue on ignition (%)
|
≤ 0.1
|
|
Heavy Metals (as Pb) (ppm)
|
≤ 10
|
|
As (ppm)
|
≤ 2
|
>>Alphabetical order
