13709-53-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13709-53-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,0 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 13709-53:
(7*1)+(6*3)+(5*7)+(4*0)+(3*9)+(2*5)+(1*3)=100
100 % 10 = 0
So 13709-53-0 is a valid CAS Registry Number.