Certificate of Analysis

 

Product Name: Tetramethylpyrazine (2,3,5,6-Tetramethylpyrazine)
Catalog Number: M4424
CAS Number: 1124-11-4

Physical and Chemical Properties
Formula: C8H12N2
Molecular Weight: 136.19
Solubility: DMSO ≥ 40 mg/mL
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Tetramethylpyrazine (2,3,5,6-Tetramethylpyrazine) Structure
Analytical Data
QC Standard: >98%
H-NMR: Consistent with structure
Product Information
Description: Tetramethylpyrazine (2,3,5,6-Tetramethylpyrazine) is an alkyl pyrazine extracted from Ligusticum wallichii (Chuan Xiong), often used as a flavor in French fries, bread, tea, dairy products, bean products and other food. Ligustrazine has potential antineural and anti-inflammatory activities in rats.
   
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.