1618104-04-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1618104-04-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,8,1,0 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1618104-04:
(9*1)+(8*6)+(7*1)+(6*8)+(5*1)+(4*0)+(3*4)+(2*0)+(1*4)=133
133 % 10 = 3
So 1618104-04-3 is a valid CAS Registry Number.