1443311-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1443311-57-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,3,3,1 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1443311-57:
(9*1)+(8*4)+(7*4)+(6*3)+(5*3)+(4*1)+(3*1)+(2*5)+(1*7)=126
126 % 10 = 6
So 1443311-57-6 is a valid CAS Registry Number.