103209-22-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103209-22-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,2,0 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 103209-22:
(8*1)+(7*0)+(6*3)+(5*2)+(4*0)+(3*9)+(2*2)+(1*2)=69
69 % 10 = 9
So 103209-22-9 is a valid CAS Registry Number.