107543-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107543-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,5,4 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 107543-44:
(8*1)+(7*0)+(6*7)+(5*5)+(4*4)+(3*3)+(2*4)+(1*4)=112
112 % 10 = 2
So 107543-44-2 is a valid CAS Registry Number.