136453-20-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136453-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,4,5 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 136453-20:
(8*1)+(7*3)+(6*6)+(5*4)+(4*5)+(3*3)+(2*2)+(1*0)=118
118 % 10 = 8
So 136453-20-8 is a valid CAS Registry Number.
136453-20-8Relevant articles and documents
Nonionic radiographic contrast agents
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, (2008/06/13)
New nonionic radiographic contrast agents having the formula STR1 wherein Y is a single bond, --CH2 CH2 --, --CH2 O--, --OCH2 --, STR2 --CH2 --, --CH2 --CH2 --CH2 --,