53005-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53005-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,0,0 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 53005-51:
(7*5)+(6*3)+(5*0)+(4*0)+(3*5)+(2*5)+(1*1)=79
79 % 10 = 9
So 53005-51-9 is a valid CAS Registry Number.