321998-93-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321998-93-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,9,9 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 321998-93:
(8*3)+(7*2)+(6*1)+(5*9)+(4*9)+(3*8)+(2*9)+(1*3)=170
170 % 10 = 0
So 321998-93-0 is a valid CAS Registry Number.