108818-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108818-53-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,8,1 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 108818-53:
(8*1)+(7*0)+(6*8)+(5*8)+(4*1)+(3*8)+(2*5)+(1*3)=137
137 % 10 = 7
So 108818-53-7 is a valid CAS Registry Number.