166818-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 166818-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,8,1 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 166818-25:
(8*1)+(7*6)+(6*6)+(5*8)+(4*1)+(3*8)+(2*2)+(1*5)=163
163 % 10 = 3
So 166818-25-3 is a valid CAS Registry Number.
166818-25-3Relevant 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 --,