81305-46-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81305-46-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,0 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81305-46:
(7*8)+(6*1)+(5*3)+(4*0)+(3*5)+(2*4)+(1*6)=106
106 % 10 = 6
So 81305-46-6 is a valid CAS Registry Number.