107943-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107943-28-2 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, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 107943-28:
(8*1)+(7*0)+(6*7)+(5*9)+(4*4)+(3*3)+(2*2)+(1*8)=132
132 % 10 = 2
So 107943-28-2 is a valid CAS Registry Number.