457947-94-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 457947-94-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,9,4 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 457947-94:
(8*4)+(7*5)+(6*7)+(5*9)+(4*4)+(3*7)+(2*9)+(1*4)=213
213 % 10 = 3
So 457947-94-3 is a valid CAS Registry Number.