81112-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81112-65-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,1 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81112-65:
(7*8)+(6*1)+(5*1)+(4*1)+(3*2)+(2*6)+(1*5)=94
94 % 10 = 4
So 81112-65-4 is a valid CAS Registry Number.