1103508-21-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1103508-21-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,3,5,0 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1103508-21:
(9*1)+(8*1)+(7*0)+(6*3)+(5*5)+(4*0)+(3*8)+(2*2)+(1*1)=89
89 % 10 = 9
So 1103508-21-9 is a valid CAS Registry Number.
1103508-21-9Relevant articles and documents
PYRIDAZINONE DERIVATIVES
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, (2011/10/31)
Compounds of the formula (I), in which Y, R1, R2, R3 and R3′ have the meanings indicated in claim 1, are inhibitors of tyrosine kinases, in particular of Met kinase, and can be employed, inter alia, for the treatment of tumours.
