15089-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15089-55-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,0,8 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 15089-55:
(7*1)+(6*5)+(5*0)+(4*8)+(3*9)+(2*5)+(1*5)=111
111 % 10 = 1
So 15089-55-1 is a valid CAS Registry Number.