1403873-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1403873-31-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,3,8,7 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1403873-31:
(9*1)+(8*4)+(7*0)+(6*3)+(5*8)+(4*7)+(3*3)+(2*3)+(1*1)=143
143 % 10 = 3
So 1403873-31-3 is a valid CAS Registry Number.