226985-79-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226985-79-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,9,8 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 226985-79:
(8*2)+(7*2)+(6*6)+(5*9)+(4*8)+(3*5)+(2*7)+(1*9)=181
181 % 10 = 1
So 226985-79-1 is a valid CAS Registry Number.