1447423-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1447423-93-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,7,4,2 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1447423-93:
(9*1)+(8*4)+(7*4)+(6*7)+(5*4)+(4*2)+(3*3)+(2*9)+(1*3)=169
169 % 10 = 9
So 1447423-93-9 is a valid CAS Registry Number.