| Certificates/Standards: | N; |
| Monthly Output: | 5ton/Month |
| Regional: | China |
| Packaging Information: | Not provided |
| Mode Of Payment: | L/C, T/T, D/P, Paypal, Money Gram, Western union |
| Delivery Lead Time: | Not provided |
| Main Sales Markets: | North America，Central/South America，Western Europe，Eastern Europe，Australasia，Asia，Middle East，Africa |
| Sample Provided: | No |
| Sample Policy: | Not provided |
| Minimum Quantity: | 1 kg |
L-Alanyl-L-Glutamine(cas.no:39537-23-0) is a dipeptide substitute for amino acid L-glutamine.Comparing with L-glutamine,L-Ala-L-Gln is highly soluble and stable.
L-Alanyl-L-Glutamine(L-Ala-L-Gln) can be used extensively in pharmaceutical and nutritional supplement applications,especially in parenteral nutritions .
Assay (Dry basis)
≥98.5%
99.8%
Identification
Positive Response
Complies
Retention time
Complies
IR
Complies
Specific Rotation
+9.0~+11.0°
+10.41°
pH
5.4~6.0
5.64
Clarity
1
1
Loss on Drying
≤1.0%
0.08%
Residue on Ignition
<0.1%
0.03%
Chloride
≤0.02%
Complies
Ammine
≤0.02%
Complies
Other amino acids
Conforms
Complies
Heavy Metals(as Pb)
≤10ppm
<10ppm
Cyclol (L-Alanyl-L-Glutamine)
≤0.5%
0.009%
L-Pyroglutamyl-L-Alanine
≤0.5%
Negative
L-Pyroglutamic acid
≤0.25%
Negative
N(2)-D-Alanyl-L-Glutamine
≤0.25%
0.014%
L-Alanyl-L-Glutamic acid
≤0.5%
0.006%
Single unknown impurity
≤0.5%
0.02%
Total unknown impurities
≤1.0%
0.03%
Bacterial endotoxins
≤2.5EU/g
Complies
Toluene
≤0.089%
Negative
Methanol
≤0.3%
0.12%
Appearance
White crystal or crystalline powder
White crystalline powder
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