16109-65-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16109-65-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,0 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 16109-65:
(7*1)+(6*6)+(5*1)+(4*0)+(3*9)+(2*6)+(1*5)=92
92 % 10 = 2
So 16109-65-2 is a valid CAS Registry Number.