53400-04-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53400-04-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,4,0 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 53400-04:
(7*5)+(6*3)+(5*4)+(4*0)+(3*0)+(2*0)+(1*4)=77
77 % 10 = 7
So 53400-04-7 is a valid CAS Registry Number.