121120-08-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121120-08-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,1,2 and 0 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 121120-08:
(8*1)+(7*2)+(6*1)+(5*1)+(4*2)+(3*0)+(2*0)+(1*8)=49
49 % 10 = 9
So 121120-08-9 is a valid CAS Registry Number.