1351940-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1351940-20-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,1,9,4 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1351940-20:
(9*1)+(8*3)+(7*5)+(6*1)+(5*9)+(4*4)+(3*0)+(2*2)+(1*0)=139
139 % 10 = 9
So 1351940-20-9 is a valid CAS Registry Number.
1351940-20-9Relevant articles and documents
CYANOQUINOLINE DERIVATIVES
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, (2013/04/25)
Disclosed is a compound of formula I, a stereoisomer thereof, a cis-trans-isomer thereof, a tautomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, a solvate thereof or a prodrug thereof, wherein R1, R2, R3 and R4 are each as defined in the present application.