1208409-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1208409-04-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,8,4,0 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1208409-04:
(9*1)+(8*2)+(7*0)+(6*8)+(5*4)+(4*0)+(3*9)+(2*0)+(1*4)=124
124 % 10 = 4
So 1208409-04-4 is a valid CAS Registry Number.