101718-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101718-15-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,7,1 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 101718-15:
(8*1)+(7*0)+(6*1)+(5*7)+(4*1)+(3*8)+(2*1)+(1*5)=84
84 % 10 = 4
So 101718-15-4 is a valid CAS Registry Number.