121012-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121012-13-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,1 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 121012-13:
(8*1)+(7*2)+(6*1)+(5*0)+(4*1)+(3*2)+(2*1)+(1*3)=43
43 % 10 = 3
So 121012-13-3 is a valid CAS Registry Number.