855995-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855995-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,9,9 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 855995-81:
(8*8)+(7*5)+(6*5)+(5*9)+(4*9)+(3*5)+(2*8)+(1*1)=242
242 % 10 = 2
So 855995-81-2 is a valid CAS Registry Number.
855995-81-2Relevant articles and documents
PYRIDO- AND PYRIMIDOPYRIMIDINE DERIVATIVES AS ANTI- PROLIFERATIVE AGENTS
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Page/Page column 38, (2008/06/13)
The present invention concerns the compounds of formula (I) the N-oxide forms, the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein a1-a2=a3-a4represents a d