1212810-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212810-20-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,8,1 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1212810-20:
(9*1)+(8*2)+(7*1)+(6*2)+(5*8)+(4*1)+(3*0)+(2*2)+(1*0)=92
92 % 10 = 2
So 1212810-20-2 is a valid CAS Registry Number.