181868-50-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181868-50-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,8,6 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 181868-50:
(8*1)+(7*8)+(6*1)+(5*8)+(4*6)+(3*8)+(2*5)+(1*0)=168
168 % 10 = 8
So 181868-50-8 is a valid CAS Registry Number.