734490-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 734490-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,4,4,9 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 734490-72:
(8*7)+(7*3)+(6*4)+(5*4)+(4*9)+(3*0)+(2*7)+(1*2)=173
173 % 10 = 3
So 734490-72-3 is a valid CAS Registry Number.