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

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Identification:

Product Name: L-Alanyl-L-Glutamine

CAS : 39537-23-0

Synonyms : Ala-Gln; Glutamine-S; Alanyl-glutamine

Molecular Formula : C8H15N3O4

Molecular Weight : 217.22

EINECS : 475-290-9

Properties：

Melting point:215 °C

Boiling point:615℃

density:1.305±0.06 g/cm3(Predicted)

refractive index:10 ° (C=5, H2O)

RTECS:MA2275262

Fp:>110°(230°F)

storage temp.:2-8°C

pka:3.12±0.10(Predicted)

form:solution

color:White

PH:pH(50g/l, 25℃) : 5.0～6.0

Water Solubilit:Soluble in water.

Specification:

Appearance:White or off-white 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

IR:Infrared absorption spectrum of the product shall be consistent with the reference substance of the map

Specific rotation:﹢9.5° to +11.0°

Clarity:Solution should be clatified,such as turbidity,compared with 1 turbidity standard solution may not be thicker

Heavy metals:10ppm max

PH:5.0-6.0

Loss on dry:0.5% max

Residue on ignition:0.1% max

Fe:0.001% max

Arsenic:0.0001% max

Sulfate:0.02% max

Chloride:0.02% max

Ammonium salt:0.08% max

Related substances:

Cyclo-L-alanyl-L-glutamine:0.2% max

Cyclo-L-Alanyl-L-Glutamyl:0.04% max

L-Pyroglutamyl-L-alanine:0.15% max

L-Pyroglutamic acid:0.05% max

D-alanyl-L-Glutamine:0.05% max

L-Alanyl-L-Glutamine:0.05% max

Any unspecified impurity:0.1% max

Any unspecified total impurities:0.5% max

Microbial limit test Total aerobes counts:1000cfu/g max

Mold & yeast:100cfu/g max

Escherichia coli:Every 1g may not be detected

Staphylococcus aureus:Every 1g may not be detected

Salmonella:Every 10g may not be detected

Assay(on dried basis):98.5% min

Product Package:

25kg/fiber drum, or according to the requirements of the customers.

Product Storage:

Put in a sealed, dry and ventilated place, Guard Against Fire.

Application:

raw material and intermediate

Some photos of shipment: