216162-65-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216162-65-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,1,6 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 216162-65:
(8*2)+(7*1)+(6*6)+(5*1)+(4*6)+(3*2)+(2*6)+(1*5)=111
111 % 10 = 1
So 216162-65-1 is a valid CAS Registry Number.