103391-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103391-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,3,9 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 103391-44:
(8*1)+(7*0)+(6*3)+(5*3)+(4*9)+(3*1)+(2*4)+(1*4)=92
92 % 10 = 2
So 103391-44-2 is a valid CAS Registry Number.