940457-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 940457-76-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,0,4,5 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 940457-76:
(8*9)+(7*4)+(6*0)+(5*4)+(4*5)+(3*7)+(2*7)+(1*6)=181
181 % 10 = 1
So 940457-76-1 is a valid CAS Registry Number.