76781-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76781-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,7,8 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 76781-20:
(7*7)+(6*6)+(5*7)+(4*8)+(3*1)+(2*2)+(1*0)=159
159 % 10 = 9
So 76781-20-9 is a valid CAS Registry Number.
76781-20-9Relevant articles and documents
5,6-Alkylenepyrimidine derivative
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, (2008/06/13)
There are provided a novel compound, i.e., a 2-piperazino-4-substituted-5,6-alkylenepyrimidine derivative represented by the formula: STR1 wherein Y, Z and n are defined in the specification and claims, and a pharmaceutically acceptable acid addition salt