Certificate of Analysis

 

Product Name: D-Ala-D-Ala
Catalog Number: M52628
CAS Number: 923-16-0

Physical and Chemical Properties
Formula: C6H12N2O3
Molecular Weight: 160.17
Form: Solid
Solubility: Water 90 mg/mL
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: D-Ala-D-Ala Structure
Analytical Data
QC Standard:
H-NMR: Consistent with structure
Product Information
Description: D-Ala-D-Ala constitutes the terminus of the peptide part of the peptidoglycan monomer unit and is involved in the transpeptidation reaction as the substrate.
   
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.