121881-08-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121881-08-1 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 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 121881-08:
(8*1)+(7*2)+(6*1)+(5*8)+(4*8)+(3*1)+(2*0)+(1*8)=111
111 % 10 = 1
So 121881-08-1 is a valid CAS Registry Number.