13918-14-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13918-14-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,1 and 8 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 13918-14:
(7*1)+(6*3)+(5*9)+(4*1)+(3*8)+(2*1)+(1*4)=104
104 % 10 = 4
So 13918-14-4 is a valid CAS Registry Number.