121880-22-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121880-22-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,8,8 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 121880-22:
(8*1)+(7*2)+(6*1)+(5*8)+(4*8)+(3*0)+(2*2)+(1*2)=106
106 % 10 = 6
So 121880-22-6 is a valid CAS Registry Number.