1222161-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1222161-99-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,2,1,6 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1222161-99:
(9*1)+(8*2)+(7*2)+(6*2)+(5*1)+(4*6)+(3*1)+(2*9)+(1*9)=110
110 % 10 = 0
So 1222161-99-0 is a valid CAS Registry Number.