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:

Packaging and Shipping

Packing: 20kg/carton drum by air or by sea or according to client’s demand.

L-Alanyl-L-Glutamine CAS 39537-23-0