13578-59-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13578-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,5,7 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13578-59:
(7*1)+(6*3)+(5*5)+(4*7)+(3*8)+(2*5)+(1*9)=121
121 % 10 = 1
So 13578-59-1 is a valid CAS Registry Number.