463965-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 463965-27-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,6,3,9,6 and 5 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 463965-27:
(8*4)+(7*6)+(6*3)+(5*9)+(4*6)+(3*5)+(2*2)+(1*7)=187
187 % 10 = 7
So 463965-27-7 is a valid CAS Registry Number.
463965-27-7Relevant academic research and scientific papers
Process for preparing 4,6-diaminopyrimido[5,4-d]pyrimidines
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, (2008/06/13)
A process for preparing 4,6-diaminopyrimido[5,4-d]pyrimidines of formula I, wherein R1 denotes a hydrogen atom or a C1-C6 alkyl group, R2 denotes an optionally substituted C6-C10 aryl group