106634-64-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106634-64-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,6,3 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 106634-64:
(8*1)+(7*0)+(6*6)+(5*6)+(4*3)+(3*4)+(2*6)+(1*4)=114
114 % 10 = 4
So 106634-64-4 is a valid CAS Registry Number.
106634-64-4Relevant articles and documents
Method for preparing 4-hydroxycinnolines in a pH controlled system
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, (2008/06/13)
In the preparation of a 4-hydroxycinnoline wherein the diazonium salt of a 2-aminoacetophenone in aqueous solution is allowed to undergo cyclocondensation, the improvement that comprises maintaining the pH of the solution between about 4.0 and 8.5 during the cyclocondensation.
