Certificate of Analysis

 

Product Name: Urea-13C
Catalog Number: M66055
CAS Number: 58069-82-2

Physical and Chemical Properties
Formula: 13CH4N2O
Molecular Weight: 61.05
Solubility: Water ≥ 120 mg/mL
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Urea-13C Structure
Product Information
Description: Urea-13C is the 13C labelled urea. The Urea-13C breath test (13C-UBT) is one of the best methods for the diagnosis of Helicobacter pylori infection.
   
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.