81106-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81106-23-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,0 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81106-23:
(7*8)+(6*1)+(5*1)+(4*0)+(3*6)+(2*2)+(1*3)=92
92 % 10 = 2
So 81106-23-2 is a valid CAS Registry Number.