23745-47-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23745-47-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,7,4 and 5 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 23745-47:
(7*2)+(6*3)+(5*7)+(4*4)+(3*5)+(2*4)+(1*7)=113
113 % 10 = 3
So 23745-47-3 is a valid CAS Registry Number.