123904-03-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123904-03-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,9,0 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 123904-03:
(8*1)+(7*2)+(6*3)+(5*9)+(4*0)+(3*4)+(2*0)+(1*3)=100
100 % 10 = 0
So 123904-03-0 is a valid CAS Registry Number.