53033-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53033-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,0,3 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 53033-71:
(7*5)+(6*3)+(5*0)+(4*3)+(3*3)+(2*7)+(1*1)=89
89 % 10 = 9
So 53033-71-9 is a valid CAS Registry Number.