1281969-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1281969-56-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,1,9,6 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1281969-56:
(9*1)+(8*2)+(7*8)+(6*1)+(5*9)+(4*6)+(3*9)+(2*5)+(1*6)=199
199 % 10 = 9
So 1281969-56-9 is a valid CAS Registry Number.
1281969-56-9Relevant articles and documents
Novel 2-Pyridone Compounds
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, (2011/04/24)
The invention provides compounds of formula wherein R1, R3, R4, R5, R6, R7, L, X and Y are as defined in the specification; together with processes and intermediates for their preparation,
