181758-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181758-75-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,7,5 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 181758-75:
(8*1)+(7*8)+(6*1)+(5*7)+(4*5)+(3*8)+(2*7)+(1*5)=168
168 % 10 = 8
So 181758-75-8 is a valid CAS Registry Number.