13851-59-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13851-59-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,8,5 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13851-59:
(7*1)+(6*3)+(5*8)+(4*5)+(3*1)+(2*5)+(1*9)=107
107 % 10 = 7
So 13851-59-7 is a valid CAS Registry Number.
13851-59-7Relevant articles and documents
Pyrimidopyrimidine derivatives, process and intermediates for their preparation and pharmaceutical compositions containing them
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, (2008/06/13)
Compounds of the formula (1): and pharmaceutically acceptable salts are described wherein R1 is C1 6alkyl, C2 6alkenyl, C3 5cycloalkyl C1 6alkyl, or C1 sub
