1443442-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1443442-72-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,3,4,4 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1443442-72:
(9*1)+(8*4)+(7*4)+(6*3)+(5*4)+(4*4)+(3*2)+(2*7)+(1*2)=145
145 % 10 = 5
So 1443442-72-5 is a valid CAS Registry Number.