104080-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104080-18-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,0,8 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 104080-18:
(8*1)+(7*0)+(6*4)+(5*0)+(4*8)+(3*0)+(2*1)+(1*8)=74
74 % 10 = 4
So 104080-18-4 is a valid CAS Registry Number.