53297-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53297-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,2,9 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 53297-59:
(7*5)+(6*3)+(5*2)+(4*9)+(3*7)+(2*5)+(1*9)=139
139 % 10 = 9
So 53297-59-9 is a valid CAS Registry Number.