1449521-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1449521-05-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,5,2 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1449521-05:
(9*1)+(8*4)+(7*4)+(6*9)+(5*5)+(4*2)+(3*1)+(2*0)+(1*5)=164
164 % 10 = 4
So 1449521-05-4 is a valid CAS Registry Number.