801231-53-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 801231-53-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,1,2,3 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 801231-53:
(8*8)+(7*0)+(6*1)+(5*2)+(4*3)+(3*1)+(2*5)+(1*3)=108
108 % 10 = 8
So 801231-53-8 is a valid CAS Registry Number.