71321-08-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71321-08-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,3,2 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 71321-08:
(7*7)+(6*1)+(5*3)+(4*2)+(3*1)+(2*0)+(1*8)=89
89 % 10 = 9
So 71321-08-9 is a valid CAS Registry Number.