18415-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18415-11-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,1 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18415-11:
(7*1)+(6*8)+(5*4)+(4*1)+(3*5)+(2*1)+(1*1)=97
97 % 10 = 7
So 18415-11-7 is a valid CAS Registry Number.