18718-40-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18718-40-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,7,1 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 18718-40:
(7*1)+(6*8)+(5*7)+(4*1)+(3*8)+(2*4)+(1*0)=126
126 % 10 = 6
So 18718-40-6 is a valid CAS Registry Number.