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L-Alanyl-L-Glutamine cas 39537-23-0

 
Production name: L-Alanyl-L-Glutamine
Cas No.:39537-23-0
Molecular Formula:C8H15N3O4
Molecular weight: 217.22
Availability:
ItemSpecifications
AppearanceWhite or off-white crystal or crystalline powder
IdentificationChromogenic 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 colorSolution should be clarified, such as turbidity compared with 1 turbidity standard solution may not be thicker
Heavy metals≤10ppm
PH5.0-6.5
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 substancesCyclo-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 solventMethanol ≤3000ppm
Toluene≤890ppm
Ethanol≤5000ppm
Tetrahydrofuran≤720ppm
Bacterial endotoxin≤0.05EU/mg
Assay (on dried basis)≥98.5%
Microbial limit testTotal aerobes counts≤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 raw material of cosmetics.


Storage

It should be sealed and shaded to be stored in a dry, cool, well ventilated place.


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