Certificate of Analysis

 

Product Name: L-Diguluronic acid
Catalog Number: M38719
CAS Number: 34044-54-7

Physical and Chemical Properties
Formula: C12H18O13
Molecular Weight: 370.26
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: L-Diguluronic acid Structure
Analytical Data
QC Standard: >98.0%
H-NMR: Consistent with structure
Product Information
Description: L-Diguluronic acid is a linear polysaccharide copolymer composed of two L-guluronic acid (G) and can be used to from Alginate. Alginate is a generic name of unbranched polyanionic polysaccharides and can be used for the research of antifungal agents delivery carries.
   
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.