45741-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 45741-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,5,7,4 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 45741-23:
(7*4)+(6*5)+(5*7)+(4*4)+(3*1)+(2*2)+(1*3)=119
119 % 10 = 9
So 45741-23-9 is a valid CAS Registry Number.