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Quick Details

Purity: 99%
Grade Standard: Medicine Grade
Type:
Place of Origin: China (Mainland)
Other Names: Glycyl-L-Glutamine
CAS No.: 13115-71-4
Appearance: White or almost white crystals or crystalline powder
Mr: 221.22

Specifications

Quality of product:

Inspection items 

 Enterprise Standard of our company

CP2010 

USP37 

 Appearance

 A white or almost white crystals or
crystalline powder. 

 A white or almost white crystals or
crystalline powder. 

 -

 Solubility

 Freely soluble in water, 
practically insoluble in ethanol,
acetone or diethyl ether.

Freely soluble in water, 
practically insoluble in ethanol,
acetone or diethyl ether. 

- 

Optical rotation

-5.5°~-7.5°

-1.2°~-2.4° 

-5.5°~-7.5° 

 Water

7.0%~9.0% 

7.0%~9.0% 

7.0%~9.0% 

 Clarity and colour

Clear and colourless 

Clear and colourless  

- 

 Trasmittance

Above 98% 

- 

- 

 Chloride

0.02% 

0.02% 

0.02% 

 Ammonium

0.02% 

0.10% 

0.02% 

 Iron

0.001% 

 -

0.001%  

Sulfate 

0.02% 

- 

0.02% 

 Arsenic

0.0001% 

 -

- 

 Residue on ignition

0.1% 

 0.1%

0.1% 

 Related substances
(HPLC)

GLy ≤1.0%, Gln+Glu ≤0.5% ;
Cyclo (Gly-gln) ≤0.2% ;
Pyroglutamic acid ≤0.2% 

 Cyclo (Gly-gln) ≤0.5% ;
Pyroglutamic acid ≤0.5% 

 GLy≤1.0%, Gln≤0.5%;
Cyclo (Gly-gln) ≤0.2% ;
Pyroglutamic acid ≤0.1%;
Gly-gly-Gln≤0.3%;
Gly-glu≤0.2%
 

Not indentified
impurities (HPLC) 		single≤0.1% ;sum≤0.5% single≤0.5% ;sum≤1.0% single≤0.1% ;sum≤0.5%
Assay (titration) ≥99% ≥99% 98.0%~101.5%

 





















 






QA & QC:
Quality supervision department has a domestic first-class detection equipment, to meet the quality analysis and
control requirements of researching and monitoring products.