10566-97-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10566-97-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,5,6 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 10566-97:
(7*1)+(6*0)+(5*5)+(4*6)+(3*6)+(2*9)+(1*7)=99
99 % 10 = 9
So 10566-97-9 is a valid CAS Registry Number.