98645-48-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98645-48-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,6,4 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 98645-48:
(7*9)+(6*8)+(5*6)+(4*4)+(3*5)+(2*4)+(1*8)=188
188 % 10 = 8
So 98645-48-8 is a valid CAS Registry Number.
98645-48-8Relevant academic research and scientific papers
PYRIDOPYRIMIDINONES
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Page/Page column 64, (2008/06/13)
The invention relates to compounds of formula (I) wherein R1, R2 , R3 , R4 , R5, R6 , R7 , R8, R9, X and X' have the designations cited in patent claim 1. Said compounds are inhibitors of tyrosine kinases, especially TIE-2, and Raf kinases, and can, inter alia, be used for the treatment of tumours.