Certificate of Analysis

 

Product Name: Polysialic acid sodium
Catalog Number: M66185
CAS Number: 70431-34-4

Physical and Chemical Properties
Formula: C33H48N3Na3O25X2
Solubility: Water 50 mg/mL
Storage: 4°C, dry, sealed
Chemical Structure: Polysialic acid sodium Structure
Product Information
Description: Polysialic acid sodium could be naturally isolated from the cell wall of Escherichia coli and animals, gives a red color which has an absorption maximum at 530 nm. Polysialic acid sodium (Colominic acid sodium) possesses anti-bacterial activity.
   
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.