10520-93-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10520-93-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,5,2 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 10520-93:
(7*1)+(6*0)+(5*5)+(4*2)+(3*0)+(2*9)+(1*3)=61
61 % 10 = 1
So 10520-93-1 is a valid CAS Registry Number.