107943-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107943-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,9,4 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 107943-04:
(8*1)+(7*0)+(6*7)+(5*9)+(4*4)+(3*3)+(2*0)+(1*4)=124
124 % 10 = 4
So 107943-04-4 is a valid CAS Registry Number.