4718-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4718-68-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,1 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4718-68:
(6*4)+(5*7)+(4*1)+(3*8)+(2*6)+(1*8)=107
107 % 10 = 7
So 4718-68-7 is a valid CAS Registry Number.