120854-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120854-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,8,5 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 120854-81:
(8*1)+(7*2)+(6*0)+(5*8)+(4*5)+(3*4)+(2*8)+(1*1)=111
111 % 10 = 1
So 120854-81-1 is a valid CAS Registry Number.