10517-70-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10517-70-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,5,1 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 10517-70:
(7*1)+(6*0)+(5*5)+(4*1)+(3*7)+(2*7)+(1*0)=71
71 % 10 = 1
So 10517-70-1 is a valid CAS Registry Number.