893403-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 893403-31-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,3,4,0 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 893403-31:
(8*8)+(7*9)+(6*3)+(5*4)+(4*0)+(3*3)+(2*3)+(1*1)=181
181 % 10 = 1
So 893403-31-1 is a valid CAS Registry Number.