109447-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109447-65-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,4,4 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 109447-65:
(8*1)+(7*0)+(6*9)+(5*4)+(4*4)+(3*7)+(2*6)+(1*5)=136
136 % 10 = 6
So 109447-65-6 is a valid CAS Registry Number.