103441-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103441-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,4,4 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 103441-57:
(8*1)+(7*0)+(6*3)+(5*4)+(4*4)+(3*1)+(2*5)+(1*7)=82
82 % 10 = 2
So 103441-57-2 is a valid CAS Registry Number.