106609-97-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106609-97-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,6,0 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 106609-97:
(8*1)+(7*0)+(6*6)+(5*6)+(4*0)+(3*9)+(2*9)+(1*7)=126
126 % 10 = 6
So 106609-97-6 is a valid CAS Registry Number.