L-Alanyl-L-Glutamine CAS 39537-23-0
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Description
Quick Details
Chemical Name: L-Alanyl-L-Glutamine ; Alanyl-glutamine
CAS No.: 39537-23-0
Molecular Fomula: C8H15N3O4
Molecular weight:Â 217.22
Appearance:Â White crystalline powder
Assay:98.5%min
Typical Properties
Item | Specifications |
Appearance | White or off-white crystal or crystalline powder |
Identification | Â 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 dried basis) | ≥98.5% |
Microbial limit test | Total aerobes counts≤1000cfu/g |
Mold &Yeast≤100cfu/g | |
Escherichia coli: every 1g may not be detected |
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Usage:
- Glutamine substitute used in mammalian cell culture medium
- Used as raw material of cosmetics.
 Packaging and Shipping
Packing: 20kg/carton drum by air or by sea or according to client’s demand.