161-95-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161-95-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,6 and 1 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 161-95:
(5*1)+(4*6)+(3*1)+(2*9)+(1*5)=55
55 % 10 = 5
So 161-95-5 is a valid CAS Registry Number.