18185-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18185-09-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,1,8 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18185-09:
(7*1)+(6*8)+(5*1)+(4*8)+(3*5)+(2*0)+(1*9)=116
116 % 10 = 6
So 18185-09-6 is a valid CAS Registry Number.