Description
Quick Details
Chemical Name: L-Alanyl-L-Glutamine; Alanyl-glutamine
CAS No.: 39537-23-0
Molecular Fomula: C8H15N3O4
Molecular weight:?217.22
Appearance:?White crystalline powder
Assay: 98.5%min
Typical Properties
Item
Specifications
Appearance
White or off-white crystal or crystalline powder
Identification
?Chromogenic reaction: positive reaction
HPLC: Under the content determination of record chromatograph chart, the main peak of retention time of test sample solution should be consistent with the main peak retention time of the reference substance solution
?Infrared absorption spectrum of the product shall be consistent with the reference substance of the map.
Specific rotation
+9.5?? -+11
Clarify and color
Solution should be clarified, such as turbidity compared with 1 turbidity standard solution may not be thicker
Heavy metals
??10ppm
PH
5.0-6.5
Loss on dry
??0.5%
Residue on ignition
??0.1%
Fe
??0.001%
Arsenic
??0.0001%
Sulfate
??0.02%
Chloride
??0.02%
Ammonium salt
??0.08%
Related substances
Cyclo-L-anayl-L-glutamine??0.2%
Cyclo-L-anayl-L-Glutamyl??0.04%
L-pyroglutamyl-L-amine??0.15%
L-?L-pyroglutamic??0.05%
D-ananyl-L-Glutamine??0.05%
L-ananyl-L-Glutamine??0.5%
Any unspecified impurity??0.1%
Any unspecified total impurity??0.1%
Residual solvent
Methanol ??3000ppm
Toluene??890ppm
Ethanol??5000ppm
Tetrahydrofuran??720ppm
Bacterial endotoxin
??0.05EU/mg
Assay (on a dried basis)
??98.5%
Microbial limit test
Total aerobes count ??1000cfu/g
Mold &Yeast??100cfu/g
Escherichia coli: every 1g may not be detected
?
Usage:
Glutamine substitute used in mammalian cell culture medium
Used as the raw material of cosmetics.
Packaging and Shipping
Packing: 20kg/carton drum by air or by sea or according to client??s demand.
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