CAS No.: | 39537-23-0 |
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Formula: | C8h15n3o4 |
EINECS: | 475-290-9 |
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Test Item | Specification |
Appearance | White or off-white powder |
Identify | 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 solution. | |
Specific rotation | +9.5ºC ~ +11.0ºC |
Clarity and colour | Solution should be clarified,such as turbidity,compared with 1 turbidity standard solution may not be thicker. Solution should be colorless,such as color,compared with standard colorimetric liquid yellow 1,shall not be deeper |
Heavy metals | ≤ 10ppm |
Ph | 5.0 ~ 6.0 |
Loss on dry | ≤ 0.5% |
Residue on ignition | ≤ 0.1% |
Fe | ≤ 0.001% |
Arsenic | ≤ 0.0001% |
Sulfate | ≤ 0.02% |
Chloride | ≤ 0.02% |
Ammonium salt | ≤ 0.02% |
Related substances | Cyclo-L-alanyl-L-glutamine ≤ 0.2% |
Cyclo-L-alanyl-L-glutamyl ≤ 0.04% | |
L-Pyroglutamyl-L-alanine ≤ 0.15% | |
L-Pyroglutamic acid ≤ 0.05% | |
D-alanyl-L-Glutamine ≤ 0.05% | |
L-Alanyl-L-Glutamate ≤ 0.5% | |
Any unspecified Impurity ≤ 0.1% | |
Any unspecified total impurities ≤ 0.5% | |
Bacterial endotoxin | ≤ 0.050EU/mg |
Assay(on dried basis) | ≥ 98.5% |
Ningbo Newrainbow Biochemicals Co.,Ltd. is an Eastern China-based import and export company dealing with Amino acids, Vitamins, Plant Extracts and all the other Ingredients which are widely used in pharmaceutical, nutraceutical, food and cosmetical industry. Started in the year of 2012, we understand the importance of timely shipping and have built our business around reliable services. From beginning to the end, our customers know that they can trust our team to deliver only the highest quality customer service.
Ningbo is a beautiful city and also an ancient harbour city. It is an important trading port and today with 1.2 billion tons of freight the biggest harbour all over the world. And only 2 hours drive to Shanghai city. Thanks to the big advantages of location, we have very good partners of logistic solution to eliminate all of customers supply chain inefficiencies for you.
Our young company started from the year of 2012, we have developed very good partnership with a lot of manufacturers here and many esteemed customers abroad.All the manufacturers we cooperated are carefully screened and we go to their plant often in case of inspection for some purpose. Certificates such like KOSHER/HALAL/FSSC are all available.
1.Strictly quality inspection before delivery
2.Very good logistics and transportation service
3.Good payment terms
4.Good communication