691864-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 691864-25-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,1,8,6 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 691864-25:
(8*6)+(7*9)+(6*1)+(5*8)+(4*6)+(3*4)+(2*2)+(1*5)=202
202 % 10 = 2
So 691864-25-2 is a valid CAS Registry Number.
691864-25-2Relevant academic research and scientific papers
Diazinopyrimidines
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Page/Page column 25, (2008/06/13)
The present invention provides a compound of the formula: or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, X1, X2, and Ar1 are as defined herein. The present invention als