Certificate of Analysis

 

Product Name: 2-Nitrophenyl β-D-galactopyranoside
Catalog Number: M9322
CAS Number: 369-07-3

Physical and Chemical Properties
Formula: C12H15NO8
Molecular Weight: 301.25
Solubility: Water 10 mM
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: 2-Nitrophenyl β-D-galactopyranoside Structure
Analytical Data
QC Standard: >99%
H-NMR: Consistent with structure
Product Information
Description: 2-Nitrophenyl β-D-galactopyranoside is a colorimetric and spectrophotometric substrate for detection of β-galactosidase 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.