321434-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321434-03-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,4,3 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 321434-03:
(8*3)+(7*2)+(6*1)+(5*4)+(4*3)+(3*4)+(2*0)+(1*3)=91
91 % 10 = 1
So 321434-03-1 is a valid CAS Registry Number.