53709-62-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53709-62-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,7,0 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 53709-62:
(7*5)+(6*3)+(5*7)+(4*0)+(3*9)+(2*6)+(1*2)=129
129 % 10 = 9
So 53709-62-9 is a valid CAS Registry Number.