81325-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81325-99-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,2 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81325-99:
(7*8)+(6*1)+(5*3)+(4*2)+(3*5)+(2*9)+(1*9)=127
127 % 10 = 7
So 81325-99-7 is a valid CAS Registry Number.