1224680-16-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1224680-16-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,4,6,8 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1224680-16:
(9*1)+(8*2)+(7*2)+(6*4)+(5*6)+(4*8)+(3*0)+(2*1)+(1*6)=133
133 % 10 = 3
So 1224680-16-3 is a valid CAS Registry Number.