( R )-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine
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Certification of Analysis
Product Name
( R )-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine
CAS No
109838-85-9
Catalog No
SC-00328
Quantity
100g
Batch No
20120405
Product Date
2012.04.05
Date of analysis
2012.04.05

 
 
 
 
 
 
 
 



  Items of analysis
Specification
Results
Appearance
Colorless or Light Yellow Liquid
Colorless Liquid
Assay
97.0% minimum
94.76%
1H NMR
Conform with Standard
Conform and Clean
OPTICAL ROTATION
[α](20/D)(C=1, EtOH)
-102±5°
-85°
BOILING POINT
71-73 oC/4.5Torr
71-73 oC/4.5 Torr
CONCLUSION
It accords with the Enterprise Standard

                                                                                                                                                    
        
Analyst: David Zhang                                             Check: Jason Jia                                                             Date: 2012-04-05
 

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