61609-05-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61609-05-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,6,0 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 61609-05:
(7*6)+(6*1)+(5*6)+(4*0)+(3*9)+(2*0)+(1*5)=110
110 % 10 = 0
So 61609-05-0 is a valid CAS Registry Number.