1271810-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1271810-19-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,1,8,1 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1271810-19:
(9*1)+(8*2)+(7*7)+(6*1)+(5*8)+(4*1)+(3*0)+(2*1)+(1*9)=135
135 % 10 = 5
So 1271810-19-5 is a valid CAS Registry Number.
1271810-19-5Relevant articles and documents
BRUTON'S TYROSINE KINASE INHIBITORS
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, (2011/04/14)
The present invention provides compounds useful as inhibitors of Btk, compositions thereof, and methods of using the same.