609317-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 609317-61-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,9,3,1 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 609317-61:
(8*6)+(7*0)+(6*9)+(5*3)+(4*1)+(3*7)+(2*6)+(1*1)=155
155 % 10 = 5
So 609317-61-5 is a valid CAS Registry Number.