1403-22-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1403-22-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,0 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1403-22:
(6*1)+(5*4)+(4*0)+(3*3)+(2*2)+(1*2)=41
41 % 10 = 1
So 1403-22-1 is a valid CAS Registry Number.