1616366-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1616366-15-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,3,6 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1616366-15:
(9*1)+(8*6)+(7*1)+(6*6)+(5*3)+(4*6)+(3*6)+(2*1)+(1*5)=164
164 % 10 = 4
So 1616366-15-4 is a valid CAS Registry Number.