1616855-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1616855-71-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,8,5 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1616855-71:
(9*1)+(8*6)+(7*1)+(6*6)+(5*8)+(4*5)+(3*5)+(2*7)+(1*1)=190
190 % 10 = 0
So 1616855-71-0 is a valid CAS Registry Number.