99318-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99318-85-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,3,1 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99318-85:
(7*9)+(6*9)+(5*3)+(4*1)+(3*8)+(2*8)+(1*5)=181
181 % 10 = 1
So 99318-85-1 is a valid CAS Registry Number.