65108-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65108-40-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,1,0 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 65108-40:
(7*6)+(6*5)+(5*1)+(4*0)+(3*8)+(2*4)+(1*0)=109
109 % 10 = 9
So 65108-40-9 is a valid CAS Registry Number.