53516-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53516-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,5,1 and 6 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 53516-59:
(7*5)+(6*3)+(5*5)+(4*1)+(3*6)+(2*5)+(1*9)=119
119 % 10 = 9
So 53516-59-9 is a valid CAS Registry Number.