6193-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6193-31-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,9 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6193-31:
(6*6)+(5*1)+(4*9)+(3*3)+(2*3)+(1*1)=93
93 % 10 = 3
So 6193-31-3 is a valid CAS Registry Number.