162165-09-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162165-09-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,1,6 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 162165-09:
(8*1)+(7*6)+(6*2)+(5*1)+(4*6)+(3*5)+(2*0)+(1*9)=115
115 % 10 = 5
So 162165-09-5 is a valid CAS Registry Number.