1443349-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1443349-57-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,3,3,4 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1443349-57:
(9*1)+(8*4)+(7*4)+(6*3)+(5*3)+(4*4)+(3*9)+(2*5)+(1*7)=162
162 % 10 = 2
So 1443349-57-2 is a valid CAS Registry Number.