109287-69-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109287-69-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,2,8 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109287-69:
(8*1)+(7*0)+(6*9)+(5*2)+(4*8)+(3*7)+(2*6)+(1*9)=146
146 % 10 = 6
So 109287-69-6 is a valid CAS Registry Number.