164260-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 164260-11-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,2,6 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 164260-11:
(8*1)+(7*6)+(6*4)+(5*2)+(4*6)+(3*0)+(2*1)+(1*1)=111
111 % 10 = 1
So 164260-11-1 is a valid CAS Registry Number.