18735-16-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18735-16-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,7,3 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 18735-16:
(7*1)+(6*8)+(5*7)+(4*3)+(3*5)+(2*1)+(1*6)=125
125 % 10 = 5
So 18735-16-5 is a valid CAS Registry Number.