131240-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131240-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,4 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 131240-20:
(8*1)+(7*3)+(6*1)+(5*2)+(4*4)+(3*0)+(2*2)+(1*0)=65
65 % 10 = 5
So 131240-20-5 is a valid CAS Registry Number.
131240-20-5Relevant articles and documents
NAPHTHAMIDE DERIVATIVES AND THEIR USE
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Page 25-26, (2010/02/06)
Compounds having the following structure wherein R1, R2, R3, R4, m and n are as defined in the specification, in vivo-hydrolysable precursors thereof, pharmaceutically-acceptable salts thereof, the use in therapy and pharmaceutical compositions and methods of treatment using the same.
