276669-80-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 276669-80-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,6,6,6 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 276669-80:
(8*2)+(7*7)+(6*6)+(5*6)+(4*6)+(3*9)+(2*8)+(1*0)=198
198 % 10 = 8
So 276669-80-8 is a valid CAS Registry Number.
276669-80-8Relevant articles and documents
THIENOPYRIMIDINES, THIENOPYRIDINES, AND PYRROLOPYRIMIDINES AS B-RAF INHIBITORS
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Page/Page column 15, (2009/05/28)
The present invention relates to compounds of formula la: and pharmaceutically acceptable salts thereof. The thieno[3,2-d]pyrimidine, thieno[2,3-d]pyrimidine, thieno[3,2-b]pyridine, thieno[2,3-b]pyridine, and pyrrolo[2,3-d]pyrimidine compounds selectively