53104-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53104-09-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,1,0 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 53104-09:
(7*5)+(6*3)+(5*1)+(4*0)+(3*4)+(2*0)+(1*9)=79
79 % 10 = 9
So 53104-09-9 is a valid CAS Registry Number.