53720-59-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53720-59-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,7,2 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 53720-59:
(7*5)+(6*3)+(5*7)+(4*2)+(3*0)+(2*5)+(1*9)=115
115 % 10 = 5
So 53720-59-5 is a valid CAS Registry Number.