81093-64-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81093-64-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,9 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81093-64:
(7*8)+(6*1)+(5*0)+(4*9)+(3*3)+(2*6)+(1*4)=123
123 % 10 = 3
So 81093-64-3 is a valid CAS Registry Number.