34718-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34718-53-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,7,1 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 34718-53:
(7*3)+(6*4)+(5*7)+(4*1)+(3*8)+(2*5)+(1*3)=121
121 % 10 = 1
So 34718-53-1 is a valid CAS Registry Number.