116163-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116163-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,1,6 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 116163-57:
(8*1)+(7*1)+(6*6)+(5*1)+(4*6)+(3*3)+(2*5)+(1*7)=106
106 % 10 = 6
So 116163-57-6 is a valid CAS Registry Number.