81456-80-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81456-80-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,5 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81456-80:
(7*8)+(6*1)+(5*4)+(4*5)+(3*6)+(2*8)+(1*0)=136
136 % 10 = 6
So 81456-80-6 is a valid CAS Registry Number.