Superiority:
Best service,high quality and reasonable price,COA
As a professional chemical supplier located in China, we have been qualified supplier for many famous companies and universities, like Merk, VWR, Tsinghua University, Peking University. We sincerely hope we can have a chance to work with you.
1.High quality : the purity is 99% min . through multiple producing procedures.
2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers
3.Safe and fast delivery : we have professional shipment team for each package , the best shipping lines , each package can reach safe ly and fastly .
4.Varied shipment methods : We can ship via EMS , HKEMS ,FEDEX ,DHL ,TNT,UPS for small packages (from 1g to 1kg ), and by air or by sea for big quantity . Once ship out , there is a tracking number for your package , you can follow it online, more convenient
5.Good service : 1g order or 1kg order , we will treat as the same . thinking of all possible problems for the customer ,giving the best suggestions , and good professional guide for the products .
Details:
CAS: 57773-63-4
Purity: more than 95.0%
Single Impurity (HPLC): 1.0%max
Appearance: White or off-white powder
Solubility: Very soluble in water, 1% acetic acid
HPLC: The principal peak in the chromatogram obtained with the test solution is similar in retention time to principal peak in the chromatogram obtained with the reference solution.
Amino acid analysis
(EP. Curr. ED)Amino acid limits
Asp (0.90-1.10)
Glu (0.90-1.10)
PRO (0.90-1.10)
Gly (3.60-4.40)
Phe (0.90-1.10)
Lys (0.90-1.10)
Tyr (0.90-1.10)
Half-Cys (1.0-2.0)
No more than the traces of the other amino acids are present.
PH(EP. Curr. ED): 5.0-7.0
Related Substances(EP. Curr. ED): Unspecified impurity
For each impurity: NMT 0.5%
Total impurity: NMT 2%
Acetic acid(EP. Curr. ED): 6%-10%
Water(EP. Curr. ED): NMT 8%
Bacterial Endotoxins(EP. Curr. ED): Less than 300IU/mg
Assay(EP. Curr. ED): 95%-103%
Specific Optical Rotation: -93 to -103
Residual solvent
Methanol: NMT 3000ppm
Acetonitrile: NMT 410ppm
Triethylamine: NMT 320ppm