1231994-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1231994-91-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,1,9,9 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1231994-91:
(9*1)+(8*2)+(7*3)+(6*1)+(5*9)+(4*9)+(3*4)+(2*9)+(1*1)=164
164 % 10 = 4
So 1231994-91-4 is a valid CAS Registry Number.
1231994-91-4Relevant articles and documents
3 (3-Pyrimidin-2-ylbenzyl)-1,2,4-triazolo[4,3-b]pyridazine derivatives
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, (2011/10/31)
Compounds of the formula (I), in which R1, R2, R3, R3′, R4 have the meanings indicated in claim 1, are inhibitors of tyrosine kinases, in particular Met kinase, and can be employed, inter alia, for th
