81295-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81295-28-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,9 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81295-28:
(7*8)+(6*1)+(5*2)+(4*9)+(3*5)+(2*2)+(1*8)=135
135 % 10 = 5
So 81295-28-5 is a valid CAS Registry Number.