23473-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23473-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,4,7 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 23473-76:
(7*2)+(6*3)+(5*4)+(4*7)+(3*3)+(2*7)+(1*6)=109
109 % 10 = 9
So 23473-76-9 is a valid CAS Registry Number.