321573-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321573-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,5,7 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 321573-72:
(8*3)+(7*2)+(6*1)+(5*5)+(4*7)+(3*3)+(2*7)+(1*2)=122
122 % 10 = 2
So 321573-72-2 is a valid CAS Registry Number.