7518-85-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7518-85-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,5,1 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 7518-85:
(6*7)+(5*5)+(4*1)+(3*8)+(2*8)+(1*5)=116
116 % 10 = 6
So 7518-85-6 is a valid CAS Registry Number.